Pith Number

pith:3CLQZ2FC

pith:2014:3CLQZ2FCDGJ3WZBYCUYNKUKL6G

not attested not anchored not stored refs pending

Masgomas-4: Physical characterization of a double-core obscured cluster with a massive and very young stellar population

A. Herrero, A. Mar\'in-Franch, S. Ram\'irez Alegr\'ia

arxiv:1405.4494 v1 · 2014-05-18 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CLQZ2FCDGJ3WZBYCUYNKUKL6G}

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	2026-05-18T02:43:35.567443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8970ce8a21993bb64381530d5514bf18119414b254cb1b9f667f990a20ed73f

Aliases

arxiv: 1405.4494 · arxiv_version: 1405.4494v1 · doi: 10.48550/arxiv.1405.4494 · pith_short_12: 3CLQZ2FCDGJ3 · pith_short_16: 3CLQZ2FCDGJ3WZBY · pith_short_8: 3CLQZ2FC

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/3CLQZ2FCDGJ3WZBYCUYNKUKL6G \
  | 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: d8970ce8a21993bb64381530d5514bf18119414b254cb1b9f667f990a20ed73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97a25e015e484a0400ed559f394ec9d33ceb3c0809bce97c8fc912237782eeab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-18T12:07:34Z",
    "title_canon_sha256": "1fb6ae93582245218c8ef3fb66e0d04e755897b6b73045b2060821a6dd0af0de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4494",
    "kind": "arxiv",
    "version": 1
  }
}