Pith Number

pith:6BFPG4II

pith:2015:6BFPG4IIW4TH7MZQ2SXJICPZHW

not attested not anchored not stored refs pending

A New Penta-valued Logic Based Knowledge Representation

Vasile Patrascu

arxiv:1502.05562 v1 · 2015-02-19 · 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{6BFPG4IIW4TH7MZQ2SXJICPZHW}

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	2026-05-18T02:26:46.249480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f04af37108b7267fb330d4ae9409f93d9432df087a22fce0ac455e63e3a2c9d5

Aliases

arxiv: 1502.05562 · arxiv_version: 1502.05562v1 · doi: 10.48550/arxiv.1502.05562 · pith_short_12: 6BFPG4IIW4TH · pith_short_16: 6BFPG4IIW4TH7MZQ · pith_short_8: 6BFPG4II

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/6BFPG4IIW4TH7MZQ2SXJICPZHW \
  | 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: f04af37108b7267fb330d4ae9409f93d9432df087a22fce0ac455e63e3a2c9d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93539dc78dad2449557ea8d4d72cf607bdcff0b75c0122f5df8c6de3b4950d40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-02-19T13:23:06Z",
    "title_canon_sha256": "fd57cf584b3e94c379de2d92fb82964b62f93e27f6da09cc647093c59278abc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05562",
    "kind": "arxiv",
    "version": 1
  }
}