Pith Number

pith:Y5CEUOSQ

pith:2013:Y5CEUOSQZWE2RDQHXSEDLALUVO

not attested not anchored not stored refs pending

CALIFA survey: The spatially resolved star formation history of massive galaxies

Andr\'e L. de Amorim, Bernd Husemann, Clara Cortijo-Ferrero, Damian Mast, Eduardo Lacerda, Enrique P\'erez, Rafael L\'opez Fern\'andez, Roberto Cid Fernandes, Rosa Gonz\'alez Delgado, Rub\'en Garc\'ia-Benito, Sebasti\'an F. S\'anchez, the CALIFA collaboration

arxiv:1301.1685 v1 · 2013-01-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5CEUOSQZWE2RDQHXSEDLALUVO}

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	2026-05-18T01:52:14.854327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7444a3a50cd89a88e07bc88358174ab98ca235e05d0ce484aef5cd44582550e

Aliases

arxiv: 1301.1685 · arxiv_version: 1301.1685v1 · doi: 10.48550/arxiv.1301.1685 · pith_short_12: Y5CEUOSQZWE2 · pith_short_16: Y5CEUOSQZWE2RDQH · pith_short_8: Y5CEUOSQ

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/Y5CEUOSQZWE2RDQHXSEDLALUVO \
  | 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: c7444a3a50cd89a88e07bc88358174ab98ca235e05d0ce484aef5cd44582550e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d500989595cc74a9ada9571f7e938d3b762217c647958cb32dcbb734ca0817dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-08T21:00:04Z",
    "title_canon_sha256": "a046f41adfce4de1a32914d882efa2c591b09b9f975efa3cebbaad249276ca26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1685",
    "kind": "arxiv",
    "version": 1
  }
}