Pith Number

pith:5HZG3Z7O

pith:2004:5HZG3Z7OYRA3WAHFGZSI4DOT2L

not attested not anchored not stored refs pending

The peculiar galaxy IC 1182: An ongoing merger?

D. Bettoni, G. Fasano, J. Varela, M. Moles, P. Kj{\ae}rgaard

arxiv:astro-ph/0402219 v1 · 2004-02-10 · 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{5HZG3Z7OYRA3WAHFGZSI4DOT2L}

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	2026-05-18T01:09:03.347045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9f26de7eec441bb00e536648e0dd3d2ea13e952119a822fe9e6fca943978cd8

Aliases

arxiv: astro-ph/0402219 · arxiv_version: astro-ph/0402219v1 · doi: 10.48550/arxiv.astro-ph/0402219 · pith_short_12: 5HZG3Z7OYRA3 · pith_short_16: 5HZG3Z7OYRA3WAHF · pith_short_8: 5HZG3Z7O

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/5HZG3Z7OYRA3WAHFGZSI4DOT2L \
  | 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: e9f26de7eec441bb00e536648e0dd3d2ea13e952119a822fe9e6fca943978cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12698102783f998c4e1a6d2cad96c8e09426bed21ef7f7fa47dd640d1f6c3e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-10T11:29:35Z",
    "title_canon_sha256": "b1518a05aa7e567553d5aaf74354ccf4448346c994740454f62afd8e97c5ae04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402219",
    "kind": "arxiv",
    "version": 1
  }
}