Pith Number

pith:3LI4NFSA

pith:2004:3LI4NFSAY3STBST44OYE3QXEHX

not attested not anchored not stored refs pending

Studying The Star Formation Histories of Galaxies in Clusters from Composite Spectra

Alan Dressler, Augustus Oemler, Bianca M. Poggianti, Ian Smail, Jr., Richard Ellis, Scott Trager, Stephen A. Shectman, Warrick Couch

arxiv:astro-ph/0408490 v1 · 2004-08-25 · 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{3LI4NFSAY3STBST44OYE3QXEHX}

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	2026-05-18T03:47:43.663530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dad1c69640c6e530ca7ce3b04dc2e43dcb90ea182d0b4cd559709c9f46bbb6b1

Aliases

arxiv: astro-ph/0408490 · arxiv_version: astro-ph/0408490v1 · doi: 10.48550/arxiv.astro-ph/0408490 · pith_short_12: 3LI4NFSAY3ST · pith_short_16: 3LI4NFSAY3STBST4 · pith_short_8: 3LI4NFSA

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/3LI4NFSAY3STBST44OYE3QXEHX \
  | 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: dad1c69640c6e530ca7ce3b04dc2e43dcb90ea182d0b4cd559709c9f46bbb6b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1fc553239d8441a6a61f62b49b6c20456021042e5c1d87cbe8ff1238461ca09",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-25T21:48:33Z",
    "title_canon_sha256": "040de63fd9417c67e2e435ce30fb41ae1f5ade00ace5c5894014a67495727594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408490",
    "kind": "arxiv",
    "version": 1
  }
}