Pith Number

pith:A6JYNQN6

pith:2011:A6JYNQN6JTPJ76I5JTVWHBV5AV

not attested not anchored not stored refs pending

The link between the Star Formation History and [alpha/Fe]

(2) Naples, (3) MSSL/Ucl, (4) INPE), Francesco La Barbera (2), Ignacio Ferreras (3), Ignacio G. de la Rosa (1), Reinaldo de Carvalho (4) ((1) IAC, UCL

arxiv:1109.0005 v1 · 2011-08-31 · 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{A6JYNQN6JTPJ76I5JTVWHBV5AV}

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.

Cited by

1 paper in Pith

Revisiting the distance and the globular cluster system of the remarkable galaxy UDG1 in the NGC 5846 group

Receipt and verification

First computed	2026-05-18T02:00:43.784947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079386c1be4cde9ff91d4ceb6386bd05430618afe66c92838fe9ce407e7128c3

Aliases

arxiv: 1109.0005 · arxiv_version: 1109.0005v1 · doi: 10.48550/arxiv.1109.0005 · pith_short_12: A6JYNQN6JTPJ · pith_short_16: A6JYNQN6JTPJ76I5 · pith_short_8: A6JYNQN6

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/A6JYNQN6JTPJ76I5JTVWHBV5AV \
  | 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: 079386c1be4cde9ff91d4ceb6386bd05430618afe66c92838fe9ce407e7128c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e78b05dd17f91236276dae50fb93c52118d5ae04ed8a42cd145bef6619b8b3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-31T20:00:03Z",
    "title_canon_sha256": "92c6422deb7bd5fd5e89d97a76ab97b98333d41a8df37a5beeba50c02b7b9111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0005",
    "kind": "arxiv",
    "version": 1
  }
}