Pith Number

pith:MFPJ2AYN

pith:2011:MFPJ2AYNMASRY7ELKYGRL2LMSR

not attested not anchored not stored refs pending

The Usefulness of 2MASS JHKs Photometry for Open Cluster Studies

David G. Turner

arxiv:1102.0347 v1 · 2011-02-02 · 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{MFPJ2AYNMASRY7ELKYGRL2LMSR}

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	2026-05-18T04:30:05.036053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

615e9d030d60251c7c8b560d15e96c946bf1dc72d62eda2ba21f4db49c95a8cc

Aliases

arxiv: 1102.0347 · arxiv_version: 1102.0347v1 · doi: 10.48550/arxiv.1102.0347 · pith_short_12: MFPJ2AYNMASR · pith_short_16: MFPJ2AYNMASRY7EL · pith_short_8: MFPJ2AYN

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/MFPJ2AYNMASRY7ELKYGRL2LMSR \
  | 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: 615e9d030d60251c7c8b560d15e96c946bf1dc72d62eda2ba21f4db49c95a8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "100c58db3f6ab6ced04dac55525673738c5ca577a1b67a883d8e9bb024a255c6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-02T02:34:25Z",
    "title_canon_sha256": "f771d9a2f0a35377b516da8c4c42543ce1c06351e1a195739bc8ab0a7d741c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0347",
    "kind": "arxiv",
    "version": 1
  }
}