Pith Number

pith:3BDBUK2V

pith:2011:3BDBUK2V3BRD6GIFB2VZRFXYOG

not attested not anchored not stored refs pending

IVOA Recommendation: IVOA Support Interfaces

Grid, Guy Rixon, Matthew Graham, Web Services Working Group

arxiv:1110.5825 v1 · 2011-10-26 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3BDBUK2V3BRD6GIFB2VZRFXYOG}

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	2026-05-17T23:45:41.841449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8461a2b55d8623f19050eab9896f8718cddfd321f15c11742ea13c73cf16eb6

Aliases

arxiv: 1110.5825 · arxiv_version: 1110.5825v1 · doi: 10.48550/arxiv.1110.5825 · pith_short_12: 3BDBUK2V3BRD · pith_short_16: 3BDBUK2V3BRD6GIF · pith_short_8: 3BDBUK2V

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/3BDBUK2V3BRD6GIFB2VZRFXYOG \
  | 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: d8461a2b55d8623f19050eab9896f8718cddfd321f15c11742ea13c73cf16eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f9168ff36286485a4130ad74e06a80cefb4f11024664fd84fdc47313136200",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-26T15:49:00Z",
    "title_canon_sha256": "c00a1c19b592267709761e012c75e64cff179148fe49c111ddba575250eb0ed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5825",
    "kind": "arxiv",
    "version": 1
  }
}