Pith Number

pith:D2FIFAZ2

pith:2014:D2FIFAZ27JLOJPSOIWLJF7PR3B

not attested not anchored not stored refs pending

The Possibility Problem for Probabilistic XML (Extended Version)

Antoine Amarilli

arxiv:1404.3131 v4 · 2014-04-11 · cs.DB · cs.CC · 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{D2FIFAZ27JLOJPSOIWLJF7PR3B}

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	2026-05-18T01:11:00.474704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e8a82833afa56e4be4e459692fdf1d84d40d5cbbf18263959059ac9de86dfce

Aliases

arxiv: 1404.3131 · arxiv_version: 1404.3131v4 · doi: 10.48550/arxiv.1404.3131 · pith_short_12: D2FIFAZ27JLO · pith_short_16: D2FIFAZ27JLOJPSO · pith_short_8: D2FIFAZ2

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/D2FIFAZ27JLOJPSOIWLJF7PR3B \
  | 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: 1e8a82833afa56e4be4e459692fdf1d84d40d5cbbf18263959059ac9de86dfce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6cfdab250ff16ca98d8e55330137b7fa5583394a5b3d7105337331b9f317969",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-04-11T15:07:19Z",
    "title_canon_sha256": "a767a1e643ce3c99199591f8010875ca1b26fe29741f047f8ea99d0fc134573a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3131",
    "kind": "arxiv",
    "version": 4
  }
}