Pith Number

pith:KA253RHA

pith:2017:KA253RHA7YUNA6TGSEXPA2SPQU

not attested not anchored not stored refs pending

The Complete Extensions do not form a Complete Semilattice

Anthony P. Young

arxiv:1710.05341 v2 · 2017-10-15 · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KA253RHA7YUNA6TGSEXPA2SPQU}

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	2026-05-18T00:31:58.587252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5035ddc4e0fe28d07a66912ef06a4f8538041575de6a6f026f2a4a7cfda37ea1

Aliases

arxiv: 1710.05341 · arxiv_version: 1710.05341v2 · doi: 10.48550/arxiv.1710.05341 · pith_short_12: KA253RHA7YUN · pith_short_16: KA253RHA7YUNA6TG · pith_short_8: KA253RHA

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/KA253RHA7YUNA6TGSEXPA2SPQU \
  | 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: 5035ddc4e0fe28d07a66912ef06a4f8538041575de6a6f026f2a4a7cfda37ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2011b0e813cc7c7d90901ed9a1fb552a92ff550e71eac349434ebac1ee20f62",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-10-15T14:49:40Z",
    "title_canon_sha256": "d79f65ca1dd586a444f9e1368f086687b22314581829359a3a8a0ead432b6317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05341",
    "kind": "arxiv",
    "version": 2
  }
}