Pith Number

pith:55A5MQN3

pith:2002:55A5MQN3TJMHAFT2U7I6JC26WI

not attested not anchored not stored refs pending

HI Observations of the Stephan's Quintet

B.A. Williams, L. Verdes-Montenegro, M. S. Yun

arxiv:astro-ph/0201459 v1 · 2002-01-28 · 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{55A5MQN3TJMHAFT2U7I6JC26WI}

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	2026-05-18T01:40:43.308515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef41d641bb9a5870167aa7d1e48b5eb22e9ec7aeaed273db420e0464ca7df69f

Aliases

arxiv: astro-ph/0201459 · arxiv_version: astro-ph/0201459v1 · doi: 10.48550/arxiv.astro-ph/0201459 · pith_short_12: 55A5MQN3TJMH · pith_short_16: 55A5MQN3TJMHAFT2 · pith_short_8: 55A5MQN3

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/55A5MQN3TJMHAFT2U7I6JC26WI \
  | 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: ef41d641bb9a5870167aa7d1e48b5eb22e9ec7aeaed273db420e0464ca7df69f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def680cdba0efe2f3aa4fc04ceb98342002724cad99abc00ec23b51aba948ff4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-28T23:21:06Z",
    "title_canon_sha256": "92831a44d3bd864ea69ceb8bec556ed8eb942db32dad745ed295206d09900757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201459",
    "kind": "arxiv",
    "version": 1
  }
}