Pith Number

pith:HQHHN5QW

pith:2007:HQHHN5QW7O7MG3TYARTV2CEXIP

not attested not anchored not stored refs pending

Astro-WISE: Chaining to the Universe

Danny R. Boxhoorn, Edwin A. Valentijn, Emmanuel Bertin, Erik Deul, Ewout Helmich, Gijs Verdoes Kleijn, Jan Snigula, John P. McFarland, Konrad Kuijken, Kor G. Begeman, Mark Neeser, Massimo Capaccioli, Michiel J.Tempelaar, Philippe Heraudeau, Ralf Bender, Roberto Saglia, Roberto Silvotti, Roeland Rengelink, Ronald Vermeij, Willem-Jan Vriend, Yannick Mellier

arxiv:astro-ph/0702189 v1 · 2007-02-07 · 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{HQHHN5QW7O7MG3TYARTV2CEXIP}

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	2026-05-18T04:10:57.579769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0e76f616fbbec36e7804675d089743d7332886545b0d2eabd937c4787f3a96

Aliases

arxiv: astro-ph/0702189 · arxiv_version: astro-ph/0702189v1 · doi: 10.48550/arxiv.astro-ph/0702189 · pith_short_12: HQHHN5QW7O7M · pith_short_16: HQHHN5QW7O7MG3TY · pith_short_8: HQHHN5QW

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/HQHHN5QW7O7MG3TYARTV2CEXIP \
  | 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: 3c0e76f616fbbec36e7804675d089743d7332886545b0d2eabd937c4787f3a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37cd163760576727d57df2924a720f94c797800954f633d78360c370ab5c15cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-07T11:01:57Z",
    "title_canon_sha256": "7089564319479828d8b1fa88079205f62ba7c14aafe92ec12880fbb0125d182e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702189",
    "kind": "arxiv",
    "version": 1
  }
}