Pith Number

pith:YXJMPRYH

pith:2013:YXJMPRYHS6UBXV4VAUVFW6SULY

not attested not anchored not stored refs pending

Witness of unsatisfiability for a random 3-satisfiability formula

Erik Aurell, Hai-Jun Zhou, Lu-Lu Wu, Mikko Alava, Pekka Orponen

arxiv:1303.2413 v1 · 2013-03-11 · cs.CC · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXJMPRYHS6UBXV4VAUVFW6SULY}

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	2026-05-18T03:17:33.967524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5d2c7c70797a81bd795052a5b7a545e1b1cdb4757996c63ab4189a21c2ba1e2

Aliases

arxiv: 1303.2413 · arxiv_version: 1303.2413v1 · doi: 10.48550/arxiv.1303.2413 · pith_short_12: YXJMPRYHS6UB · pith_short_16: YXJMPRYHS6UBXV4V · pith_short_8: YXJMPRYH

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/YXJMPRYHS6UBXV4VAUVFW6SULY \
  | 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: c5d2c7c70797a81bd795052a5b7a545e1b1cdb4757996c63ab4189a21c2ba1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c768343378dfa2640445a3b9e265670bd87c51298ce3752110b5f831c41a8607",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-03-11T02:47:07Z",
    "title_canon_sha256": "1147253f64aba134da4bbf67f3bfadb8a311b9cd58682c66304b5246b3b6788e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2413",
    "kind": "arxiv",
    "version": 1
  }
}