Pith Number

pith:2BQ6G5GK

pith:2005:2BQ6G5GKFEYDC7XLNQJD3JKXLU

not attested not anchored not stored refs pending

VITRUV - Science Cases

Alessandro Marconi (OAA), Eric Thi\'ebaut (CRAL), Fabien Malbet (LAOG), Gilles Henri (LAOG), Jean-Phillipe Berger (LAOG), Karel Schrijver (LMSAL), Karine Perraut (LAOG), Leonardo Testi (OAA), Paulo J. V. Garcia (CAUP), Pierre-Olivier Petrucci (LAOG), Romano Corradi (ING), Sebastian Wolf (MPIA), Thierry Forveille (CFHT), Tim Harries (EXETER)

arxiv:astro-ph/0507580 v1 · 2005-07-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BQ6G5GKFEYDC7XLNQJD3JKXLU}

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	2026-05-18T01:08:58.977523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d061e374ca2930317eeb6c123da5575d10ede4b540aee08b68fa0b4bee6208e3

Aliases

arxiv: astro-ph/0507580 · arxiv_version: astro-ph/0507580v1 · doi: 10.48550/arxiv.astro-ph/0507580 · pith_short_12: 2BQ6G5GKFEYD · pith_short_16: 2BQ6G5GKFEYDC7XL · pith_short_8: 2BQ6G5GK

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/2BQ6G5GKFEYDC7XLNQJD3JKXLU \
  | 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: d061e374ca2930317eeb6c123da5575d10ede4b540aee08b68fa0b4bee6208e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "516c0f3349ae996041cba768a682f9bc6e48936916236f462f4b3e15630e7b2d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-25T18:25:00Z",
    "title_canon_sha256": "0173fb8c3d54a42a21f20cbb7a8aea44746c1d1617384f10f0f937b525122828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507580",
    "kind": "arxiv",
    "version": 1
  }
}