Pith Number

pith:NPUIGOJO

pith:2008:NPUIGOJOBPOVWEVCA5XWFGYJ27

not attested not anchored not stored refs pending

Determining Star Formation Rates for Infrared Galaxies

2-IEM, 3), 3-UCM, 4-UC Davis, 5-IAS, A. Alonso-Herrero (2), B.J. Weiner (1), CSIC, D. Marcillac (5). (1-Steward Observatory, G.H. Rieke (1), J.L. Donley (1), Madrid, M. Blaylock (4), Paris), P.G. Perez-Gonzalez (1

arxiv:0810.4150 v2 · 2008-10-22 · 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{NPUIGOJOBPOVWEVCA5XWFGYJ27}

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	2026-05-18T04:29:25.771106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be883392e0bdd5b12a2076f629b09d7d56ce05a4776418804896b3702f751ce

Aliases

arxiv: 0810.4150 · arxiv_version: 0810.4150v2 · doi: 10.48550/arxiv.0810.4150 · pith_short_12: NPUIGOJOBPOV · pith_short_16: NPUIGOJOBPOVWEVC · pith_short_8: NPUIGOJO

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/NPUIGOJOBPOVWEVCA5XWFGYJ27 \
  | 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: 6be883392e0bdd5b12a2076f629b09d7d56ce05a4776418804896b3702f751ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "658dc9039c977ade4e3ca92096e62ecd65acd767e3c96a0ddd4686ccf1cbc270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-22T20:48:10Z",
    "title_canon_sha256": "75d615cfbf7ec35b4fed896eab3c85fa16440a4339f6977bf36cd036bede5bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4150",
    "kind": "arxiv",
    "version": 2
  }
}