Pith Number

pith:U2R725GG

pith:2017:U2R725GG4QKQLFKYTLOZ2JKFVR

not attested not anchored not stored refs pending

The NGC 7742 star cluster luminosity function: A population analysis revisited

Chao Ma, Richard de Grijs

arxiv:1712.00007 v1 · 2017-11-30 · 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{U2R725GG4QKQLFKYTLOZ2JKFVR}

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	2026-05-18T00:21:09.374949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6a3fd74c6e4150595589add9d2545ac75410b38a23686e1c3b3a47f82f26dff

Aliases

arxiv: 1712.00007 · arxiv_version: 1712.00007v1 · doi: 10.48550/arxiv.1712.00007 · pith_short_12: U2R725GG4QKQ · pith_short_16: U2R725GG4QKQLFKY · pith_short_8: U2R725GG

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/U2R725GG4QKQLFKYTLOZ2JKFVR \
  | 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: a6a3fd74c6e4150595589add9d2545ac75410b38a23686e1c3b3a47f82f26dff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8e6372cfa25fa9b804bd4a6ca32a66a6ce34b51918e5f1870e1cab4db80e8d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-30T09:16:50Z",
    "title_canon_sha256": "2a9b998177f408fe6e55fbf38963b70e29e8a7025d7ee317ce0b0d1b45edf330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00007",
    "kind": "arxiv",
    "version": 1
  }
}