Pith Number

pith:OBXUMMGY

pith:2013:OBXUMMGYYYIV7WJTUKQTEXVOQ3

not attested not anchored not stored refs pending

UB CCD photometry of the old, metal rich, open clusters NGC 6791, NGC 6819 and NGC 7142

(3) INAOE - Inst. Nacional de Astrofisica Optica y Electronica, (4) INAF - Oss. Astronomico di Padova, A. Buzzoni (2), Chile (2) INAF - Oss. Astronomico di Bologna, E. Bertone (3), G. Carraro (1), Italy, Italy), L. Buson (4)((1) ESO European Southern Obs., Mexico, Puebla, Santiago

arxiv:1309.4100 v1 · 2013-09-16 · 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{OBXUMMGYYYIV7WJTUKQTEXVOQ3}

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	2026-05-18T01:47:37.062707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706f4630d8c6115fd933a2a1325eae86e4fb151dbe847ce04a5d5731288c32a3

Aliases

arxiv: 1309.4100 · arxiv_version: 1309.4100v1 · doi: 10.48550/arxiv.1309.4100 · pith_short_12: OBXUMMGYYYIV · pith_short_16: OBXUMMGYYYIV7WJT · pith_short_8: OBXUMMGY

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/OBXUMMGYYYIV7WJTUKQTEXVOQ3 \
  | 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: 706f4630d8c6115fd933a2a1325eae86e4fb151dbe847ce04a5d5731288c32a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2522b26383b531c7fbab2151ee3072c4fa06805047a1b5aebc778de1708f44dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-16T20:00:22Z",
    "title_canon_sha256": "b26a8ab58171ac0c45f2ec57907621575aede2e635a2007d8d13fcb933b02759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4100",
    "kind": "arxiv",
    "version": 1
  }
}