Pith Number

pith:ETVZ2ZR5

pith:2010:ETVZ2ZR546PJRXMZVTNFZM6M64

not attested not anchored not stored refs pending

On the metallicity of open clusters I. Photometry

(2) Department of Physics, 3), (3) Hvar Observatory, (4) Universite Bordeaux 1, Astronomy, CNRS, C. Soubiran (4) ((1) Institute for Astronomy, E. Paunzen (1), Faculty of Geodesy, Laboratoire d'Astrophysique de Bordeaux), M. Netopil (1, U. Heiter (2), University of Zagreb, Uppsala University, Vienna University

arxiv:1008.3476 v1 · 2010-08-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETVZ2ZR546PJRXMZVTNFZM6M64}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:42:02.292200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24eb9d663de79e98dd99acda5cb3ccf72b54e9005c0c0a36f69b365a0eb5f759

Aliases

arxiv: 1008.3476 · arxiv_version: 1008.3476v1 · doi: 10.48550/arxiv.1008.3476 · pith_short_12: ETVZ2ZR546PJ · pith_short_16: ETVZ2ZR546PJRXMZ · pith_short_8: ETVZ2ZR5

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/ETVZ2ZR546PJRXMZVTNFZM6M64 \
  | 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: 24eb9d663de79e98dd99acda5cb3ccf72b54e9005c0c0a36f69b365a0eb5f759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679cd78a18aa4e8a58421ea328752051a4051601fdc99dfc62ee07be9475dfb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-20T11:40:00Z",
    "title_canon_sha256": "59afe98c78834071245a5ec359dc67c0c3db4e461d3779c7a6759dd2d610d0d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3476",
    "kind": "arxiv",
    "version": 1
  }
}