Pith Number

pith:OQLIZSBO

pith:2001:OQLIZSBOSEM5463I5QBOGCNVLZ

not attested not anchored not stored refs pending

History of mass assembly and star formation in clusters

(2) Univ of Durham), F. Nakata (1), Ian Smail (2), R. G. Bower (2) ((1)Univ of Tokyo, S. Okamura (1), T. Kodama (1)

arxiv:astro-ph/0110072 v1 · 2001-10-03 · 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{OQLIZSBOSEM5463I5QBOGCNVLZ}

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	2026-07-04T14:11:32.496618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74168cc82e9119de7b68ec02e309b55e6b26b75985a09a62e5d37701a79156b1

Aliases

arxiv: astro-ph/0110072 · arxiv_version: astro-ph/0110072v1 · doi: 10.48550/arxiv.astro-ph/0110072 · pith_short_12: OQLIZSBOSEM5 · pith_short_16: OQLIZSBOSEM5463I · pith_short_8: OQLIZSBO

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/OQLIZSBOSEM5463I5QBOGCNVLZ \
  | 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: 74168cc82e9119de7b68ec02e309b55e6b26b75985a09a62e5d37701a79156b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec24014e339b7af3dd69a0df2e4a1e8161900f909c7c81c29998d3897d88c580",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-03T03:01:51Z",
    "title_canon_sha256": "e4d5edd50ff8fa87591b0fc6a81427a1ed3e0d059a326d0ac1943624eaa066d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110072",
    "kind": "arxiv",
    "version": 1
  }
}