Pith Number

pith:75AQBCFD

pith:2012:75AQBCFDUGNQUDFMRZWBPOXY6S

not attested not anchored not stored refs pending

Analysing star cluster populations with stochastic models: the HST/WFC3 sample of clusters in M83

Ariane Lan\c{c}on, Bradley C. Whitmore, Morgan Fouesneau, Rupali Chandar

arxiv:1202.3135 v1 · 2012-02-14 · astro-ph.CO

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

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	2026-05-18T01:58:28.487493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff410088a3a19b0a0cac8e6c17baf8f4a6d03a7aa7cea65079dae102c35a7ce2

Aliases

arxiv: 1202.3135 · arxiv_version: 1202.3135v1 · doi: 10.48550/arxiv.1202.3135 · pith_short_12: 75AQBCFDUGNQ · pith_short_16: 75AQBCFDUGNQUDFM · pith_short_8: 75AQBCFD

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/75AQBCFDUGNQUDFMRZWBPOXY6S \
  | 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: ff410088a3a19b0a0cac8e6c17baf8f4a6d03a7aa7cea65079dae102c35a7ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894d8fed83d568f9d1ecaead98b0442e6bac22aa1c26cd8d1957dd49b1bd2127",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-14T20:55:37Z",
    "title_canon_sha256": "d3cfffa9e0f81f018c0f24bd1b7dd369962d82172ed9a2d3a20a860859905b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3135",
    "kind": "arxiv",
    "version": 1
  }
}