Pith Number

pith:QN5DSHOF

pith:2015:QN5DSHOFYAKZSAU4KDWDUM27IS

not attested not anchored not stored refs pending

SWISH: SWI-Prolog for Sharing

Fabrizio Riguzzi, Jan Wielemaker, Torbj\"orn Lager

arxiv:1511.00915 v1 · 2015-11-03 · cs.PL · 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{QN5DSHOFYAKZSAU4KDWDUM27IS}

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	2026-05-18T01:09:51.829180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

837a391dc5c01599029c50ec3a335f448ce75e5f0ce70ed363b4fb1462f32971

Aliases

arxiv: 1511.00915 · arxiv_version: 1511.00915v1 · doi: 10.48550/arxiv.1511.00915 · pith_short_12: QN5DSHOFYAKZ · pith_short_16: QN5DSHOFYAKZSAU4 · pith_short_8: QN5DSHOF

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/QN5DSHOFYAKZSAU4KDWDUM27IS \
  | 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: 837a391dc5c01599029c50ec3a335f448ce75e5f0ce70ed363b4fb1462f32971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35a2b6701049f1f93ce36a491d443f2fd065427185b682e7fbf08f73b04176e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-11-03T14:16:31Z",
    "title_canon_sha256": "896ebbe60bff4b3984ed729522a670ebe5b2d4d06e432d091bd3d9dc55a96247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00915",
    "kind": "arxiv",
    "version": 1
  }
}