Pith Number

pith:5G7B2Q2A

pith:2002:5G7B2Q2A73WIPDVDK5SKWIOD45

not attested not anchored not stored refs pending

Abundant molecular gas in the intergalactic medium of Stephan's Quintet

Elias Brinks, Jonathan Braine, Pierre-Alain Duc, Stephane Leon, Ute Lisenfeld, Vassilis Charmandaris

arxiv:astro-ph/0208494 v1 · 2002-08-28 · 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{5G7B2Q2A73WIPDVDK5SKWIOD45}

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	2026-07-04T16:30:41.764605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9be1d4340feec878ea35764ab21c3e770026fa2628a2dabd1c82f82d92ed0a1

Aliases

arxiv: astro-ph/0208494 · arxiv_version: astro-ph/0208494v1 · doi: 10.48550/arxiv.astro-ph/0208494 · pith_short_12: 5G7B2Q2A73WI · pith_short_16: 5G7B2Q2A73WIPDVD · pith_short_8: 5G7B2Q2A

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/5G7B2Q2A73WIPDVDK5SKWIOD45 \
  | 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: e9be1d4340feec878ea35764ab21c3e770026fa2628a2dabd1c82f82d92ed0a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3130439c61bbf8558962892c1b6fb8c478c670873315c1bfdaf5ea1f9d7c721",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-28T09:47:04Z",
    "title_canon_sha256": "6dae0bc30d740add93568fe8585992b88306bf6815b498a222a42a11d9c485d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208494",
    "kind": "arxiv",
    "version": 1
  }
}