Pith Number

pith:P2I7BZIB

pith:2014:P2I7BZIBQIS7VQC32Z4FIRLMRB

not attested not anchored not stored refs pending

Problem Theory

Ram\'on Casares

arxiv:1412.1044 v6 · 2014-12-01 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2I7BZIBQIS7VQC32Z4FIRLMRB}

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	2026-05-18T01:06:24.737136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e91f0e5018225fac05bd67854456c8842207df1660cf29ae6daf10fa35c3e23

Aliases

arxiv: 1412.1044 · arxiv_version: 1412.1044v6 · doi: 10.48550/arxiv.1412.1044 · pith_short_12: P2I7BZIBQIS7 · pith_short_16: P2I7BZIBQIS7VQC3 · pith_short_8: P2I7BZIB

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/P2I7BZIBQIS7VQC32Z4FIRLMRB \
  | 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: 7e91f0e5018225fac05bd67854456c8842207df1660cf29ae6daf10fa35c3e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43803c484f8972cada52db8d4f537307adb74770a6150ad3bfe0ee49ebcc07f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-12-01T18:13:34Z",
    "title_canon_sha256": "d10a124e543f84254497f2e6d7ebe2db1787e6f953204a052b0cab8c3beca157"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1044",
    "kind": "arxiv",
    "version": 6
  }
}