Pith Number

pith:D6PQZV7W

pith:2011:D6PQZV7W2VRVQJR3Q6PCBR2GPA

not attested not anchored not stored refs pending

IVOA Recommendation: IVOA Credential Delegation Protocol Version 1.0

Giuliano Taffoni, Guy Rixon, Matthew Graham, Raymond Plante

arxiv:1110.0509 v1 · 2011-10-03 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6PQZV7W2VRVQJR3Q6PCBR2GPA}

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	2026-05-17T23:45:41.986562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f9f0cd7f6d56358263b879e20c74678357b3ef4c2fb9e7ff52025919f3d6f73

Aliases

arxiv: 1110.0509 · arxiv_version: 1110.0509v1 · doi: 10.48550/arxiv.1110.0509 · pith_short_12: D6PQZV7W2VRV · pith_short_16: D6PQZV7W2VRVQJR3 · pith_short_8: D6PQZV7W

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/D6PQZV7W2VRVQJR3Q6PCBR2GPA \
  | 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: 1f9f0cd7f6d56358263b879e20c74678357b3ef4c2fb9e7ff52025919f3d6f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e32513832733e50b0d521b46f2602fdb4f64b7788b4e963aeea2af599abfd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-03T21:14:57Z",
    "title_canon_sha256": "c8b1b6a222c4af7619fa3a0cd3a568739efa7d4dadf8a530fba251b08c7fae48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0509",
    "kind": "arxiv",
    "version": 1
  }
}