Pith Number

pith:2LN4AXTP

pith:2014:2LN4AXTPFSUW2QFHIHQP7DJ2PP

not attested not anchored not stored refs pending

The star formation history of galaxies in 3D: CALIFA perspective

A. L. de Amorim, CALIFA Collaboration, C. Cortijo-Ferrero, E. A. D. Lacerda, E. P\'erez, N. Vale Asari, R. Cid Fernandes, R. Garc\'ia-Benito, R. L\'opez Fernandez, R.M. Gonz\'alez Delgado, S. F. Sanchez

arxiv:1409.7388 v1 · 2014-09-25 · 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{2LN4AXTPFSUW2QFHIHQP7DJ2PP}

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	2026-05-18T01:41:56.798206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2dbc05e6f2ca96d40a741e0ff8d3a7bccd4dbb6b1cf9adbb2bf8ae094b32011

Aliases

arxiv: 1409.7388 · arxiv_version: 1409.7388v1 · doi: 10.48550/arxiv.1409.7388 · pith_short_12: 2LN4AXTPFSUW · pith_short_16: 2LN4AXTPFSUW2QFH · pith_short_8: 2LN4AXTP

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/2LN4AXTPFSUW2QFHIHQP7DJ2PP \
  | 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: d2dbc05e6f2ca96d40a741e0ff8d3a7bccd4dbb6b1cf9adbb2bf8ae094b32011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "378ea08108ad952e2822f1a2b04b3f85df166ab26c7d43c95baf65324ef85563",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-25T20:00:00Z",
    "title_canon_sha256": "6b54f518488a160d99f711e278ca3268bbe37acb613686d6fce8674264f6e17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7388",
    "kind": "arxiv",
    "version": 1
  }
}