Pith Number

pith:BMAWGNFE

pith:2014:BMAWGNFENBY5UAJGFBAVXY7MAA

not attested not anchored not stored refs pending

SAT is a problem with exponential complexity measured by negentropy

Feng Pan

arxiv:1412.1229 v6 · 2014-12-03 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMAWGNFENBY5UAJGFBAVXY7MAA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:32:37.553929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b016334a46871da012628415be3ec00378602ddb9471a74802e21cf775af092

Aliases

arxiv: 1412.1229 · arxiv_version: 1412.1229v6 · doi: 10.48550/arxiv.1412.1229 · pith_short_12: BMAWGNFENBY5 · pith_short_16: BMAWGNFENBY5UAJG · pith_short_8: BMAWGNFE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BMAWGNFENBY5UAJGFBAVXY7MAA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0b016334a46871da012628415be3ec00378602ddb9471a74802e21cf775af092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd1267cb729e0ca01a5255559d32369ab0c955d2167b68f39b5db75c7d8ceb04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-12-03T08:36:38Z",
    "title_canon_sha256": "e53832e0b7fd838e3fd6e0ac09841f9b084d86c483316026a1c1f14e0a1c8340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1229",
    "kind": "arxiv",
    "version": 6
  }
}