Pith Number

pith:GCTBIPDQ

pith:2014:GCTBIPDQXQVEEPPOTXT5FXCFQ7

not attested not anchored not stored refs pending

Spectral synthesis of stellar populations in the 3D era: The CALIFA experience

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

arxiv:1409.7400 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{GCTBIPDQXQVEEPPOTXT5FXCFQ7}

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	2026-05-18T01:41:56.750903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30a6143c70bc2a423dee9de7d2dc4587d329d86c652b1fa26e2b56eb682042b2

Aliases

arxiv: 1409.7400 · arxiv_version: 1409.7400v1 · doi: 10.48550/arxiv.1409.7400 · pith_short_12: GCTBIPDQXQVE · pith_short_16: GCTBIPDQXQVEEPPO · pith_short_8: GCTBIPDQ

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/GCTBIPDQXQVEEPPOTXT5FXCFQ7 \
  | 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: 30a6143c70bc2a423dee9de7d2dc4587d329d86c652b1fa26e2b56eb682042b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f76fc395b02c0a3809a3c7c20f9f075d598d24db94577eb446f0ad5698cb954",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-09-25T20:00:15Z",
    "title_canon_sha256": "6c83e3e994d9b46b58ca12a8dcdfa15b80e4f4ef9d06a172c95af116c9f6ebce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7400",
    "kind": "arxiv",
    "version": 1
  }
}