Pith Number

pith:VTFFJX4Y

pith:2010:VTFFJX4YHB55A5ZZ2LQMNCKJX3

not attested not anchored not stored refs pending

Fast Pseudo-Random Fingerprints

Ely Porat, Yoram Bachrach

arxiv:1009.5791 v1 · 2010-09-29 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTFFJX4YHB55A5ZZ2LQMNCKJX3}

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	2026-05-18T04:40:08.904961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acca54df98387bd07739d2e0c68949beef0bb0300858ff2284475bf17f0d1a33

Aliases

arxiv: 1009.5791 · arxiv_version: 1009.5791v1 · doi: 10.48550/arxiv.1009.5791 · pith_short_12: VTFFJX4YHB55 · pith_short_16: VTFFJX4YHB55A5ZZ · pith_short_8: VTFFJX4Y

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/VTFFJX4YHB55A5ZZ2LQMNCKJX3 \
  | 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: acca54df98387bd07739d2e0c68949beef0bb0300858ff2284475bf17f0d1a33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ff4bcea4fef15d6e33c92cd8fb62b13f8792594fe47142cddab41000f504b06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-09-29T07:32:27Z",
    "title_canon_sha256": "87630cc4c1c0f069069b651f0b52c4e108e50bb630bd267ada061c0e6d469ef1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5791",
    "kind": "arxiv",
    "version": 1
  }
}