Pith Number

pith:7JDTZ7GQ

pith:2011:7JDTZ7GQIOYCCOS3LOWSIZJZQ5

not attested not anchored not stored refs pending

IVOA Recommendation: Simple Spectral Lines Data Model Version 1.0

Evelyne Roueff, Jesus Salgado, Marie-Lise Dubernet, Matteo Guainazzi, Pedro Osuna

arxiv:1110.0505 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{7JDTZ7GQIOYCCOS3LOWSIZJZQ5}

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	2026-05-17T23:45:41.995936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa473cfcd043b0213a5b5bad246539877fc8a1a09947fe67851bfb6f50c7afe2

Aliases

arxiv: 1110.0505 · arxiv_version: 1110.0505v1 · doi: 10.48550/arxiv.1110.0505 · pith_short_12: 7JDTZ7GQIOYC · pith_short_16: 7JDTZ7GQIOYCCOS3 · pith_short_8: 7JDTZ7GQ

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/7JDTZ7GQIOYCCOS3LOWSIZJZQ5 \
  | 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: fa473cfcd043b0213a5b5bad246539877fc8a1a09947fe67851bfb6f50c7afe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74accd1eade84f5fadd2cc17a16f709d5a52cfc473694ed02148c21149c5d6e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-03T21:07:38Z",
    "title_canon_sha256": "1e981a53498d30189a509009221bda8eb0470de2f2bb04e2d186739701d0c4bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0505",
    "kind": "arxiv",
    "version": 1
  }
}