Pith Number

pith:V6PPQOLF

pith:2011:V6PPQOLF3NVWQ2VO4JXFU5V5ZT

not attested not anchored not stored refs pending

Stellar Clusters in M31 from PHAT: Survey Overview and First Results

(2) Harvard-Smithsonian CfA, (3) MPIA, (4) University of Utrecht, (5) NOAO, (6) University of Florida), Anil C. Seth (2), Ata Sarajedini (6), Daniel R. Weisz (1), Dimitrios A. Gouliermis (3), Izaskun San Roman (6), Julianne J. Dalcanton (1), Knut A. G. Olsen (5), L. Clifton Johnson (1), Nelson Caldwell (2), Paul W. Hodge (1), Soeren S. Larsen (4), the PHAT Collaboration ((1) University of Washington

arxiv:1107.2668 v1 · 2011-07-13 · astro-ph.CO · 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{V6PPQOLF3NVWQ2VO4JXFU5V5ZT}

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

Star Clusters in the Ultraviolet

Receipt and verification

First computed	2026-05-18T04:18:15.869549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af9ef83965db6b686aaee26e5a76bdccd13bf7dcbf94b18266db7662df725134

Aliases

arxiv: 1107.2668 · arxiv_version: 1107.2668v1 · doi: 10.48550/arxiv.1107.2668 · pith_short_12: V6PPQOLF3NVW · pith_short_16: V6PPQOLF3NVWQ2VO · pith_short_8: V6PPQOLF

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/V6PPQOLF3NVWQ2VO4JXFU5V5ZT \
  | 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: af9ef83965db6b686aaee26e5a76bdccd13bf7dcbf94b18266db7662df725134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "082bed17601f963822aad777adf1ef0a62411061408ea5114d16202b2404bda7",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-13T20:31:32Z",
    "title_canon_sha256": "12506e67d37c502ecfd95c605c786e5a548c5985fa7dd78bbdc97815502da3c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2668",
    "kind": "arxiv",
    "version": 1
  }
}