Pith Number

pith:A5IF4OAP

pith:2005:A5IF4OAPNDP3PZ64DBQBEVYOL7

not attested not anchored not stored refs pending

Continuous star cluster formation in the spiral NGC 45

Garching), Marcelo Mora (1), Markus Kissler-Patig (1) ((1) European Southern Observatory, Soeren S. Larsen (1)

arxiv:astro-ph/0508677 v1 · 2005-08-31 · 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{A5IF4OAPNDP3PZ64DBQBEVYOL7}

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	2026-05-18T01:40:33.583897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07505e380f68dfb7e7dc186012570e5fd100ae0d85e0317451bfaee3979d31be

Aliases

arxiv: astro-ph/0508677 · arxiv_version: astro-ph/0508677v1 · doi: 10.48550/arxiv.astro-ph/0508677 · pith_short_12: A5IF4OAPNDP3 · pith_short_16: A5IF4OAPNDP3PZ64 · pith_short_8: A5IF4OAP

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/A5IF4OAPNDP3PZ64DBQBEVYOL7 \
  | 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: 07505e380f68dfb7e7dc186012570e5fd100ae0d85e0317451bfaee3979d31be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54e74bd6ff27c305c2c779b097c8a7158d7ebf4e99b3a85c56ae07c88fa0c647",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-31T12:43:14Z",
    "title_canon_sha256": "a46b351e2fc57798ffec5f25a4838d3f1632b89f0c7838acc8ee81974c85adca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508677",
    "kind": "arxiv",
    "version": 1
  }
}