Pith Number

pith:7P2UBY2F

pith:2004:7P2UBY2FWFV4MYCG77PNFPCJSN

not attested not anchored not stored refs pending

Intracluster Light in Nearby Galaxy Clusters: Relationship to the Halos of Brightest Cluster Galaxies

Ann I. Zabludoff, Anthony H. Gonzalez, Dennis Zaritsky

arxiv:astro-ph/0406244 v2 · 2004-06-09 · 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{7P2UBY2FWFV4MYCG77PNFPCJSN}

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	2026-05-18T02:40:26.368564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf540e345b16bc66046ffded2bc49937eeb6d2b18f5efbf57593418082eea00

Aliases

arxiv: astro-ph/0406244 · arxiv_version: astro-ph/0406244v2 · doi: 10.48550/arxiv.astro-ph/0406244 · pith_short_12: 7P2UBY2FWFV4 · pith_short_16: 7P2UBY2FWFV4MYCG · pith_short_8: 7P2UBY2F

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/7P2UBY2FWFV4MYCG77PNFPCJSN \
  | 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: fbf540e345b16bc66046ffded2bc49937eeb6d2b18f5efbf57593418082eea00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25f9bb3bc463f9a5c717f61820efcfc99bb909d99b53c3dd474d3c69bc50cf46",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-09T18:06:50Z",
    "title_canon_sha256": "e7d283a6ff5e4d97bd7e039cb68882e22084b910200fc38fd79810b1362a2343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406244",
    "kind": "arxiv",
    "version": 2
  }
}