Pith Number

pith:ENZXLKGF

pith:2010:ENZXLKGFBKAPJP44754PIWFQUR

not attested not anchored not stored refs pending

Optical photometry and basic parameters of 10 unstudied open clusters

(2) European Southern Observatory, (3) Department of Astronomy, Annapurni Subramaniam (1), Bangalore, Boston, Boston University, Chile, Giovanni Carraro (2), Kenneth A. Janes (3); ((1) Indian Institute of Astrophysics, Santiago de Chile, USA.)

arxiv:1001.3001 v1 · 2010-01-18 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENZXLKGFBKAPJP44754PIWFQUR}

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	2026-05-18T02:09:43.144558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

237375a8c50a80f4bf9cff78f458b0a470eca5cff879c809a28f080f4b132df9

Aliases

arxiv: 1001.3001 · arxiv_version: 1001.3001v1 · doi: 10.48550/arxiv.1001.3001 · pith_short_12: ENZXLKGFBKAP · pith_short_16: ENZXLKGFBKAPJP44 · pith_short_8: ENZXLKGF

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/ENZXLKGFBKAPJP44754PIWFQUR \
  | 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: 237375a8c50a80f4bf9cff78f458b0a470eca5cff879c809a28f080f4b132df9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37ad294a7606bf64b96628bdbade7d5b2ec90e5eac5b279c4805c34ee1472e18",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-18T10:20:28Z",
    "title_canon_sha256": "a15683a4927ff90b67d78e885b8f5e6e5417d156b41f46d2f77ef737263ab161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3001",
    "kind": "arxiv",
    "version": 1
  }
}