Pith Number

pith:77NVUT2K

pith:2012:77NVUT2KX73JIXUBC7I4RHOZHB

not attested not anchored not stored refs pending

Studying the asymmetry of the GC population of NGC 4261

A. Wolter, A. Zezas, D.M. Worrall, E. O'Sullivan, G. Fabbiano, G. Trinchieri, M. Birkinshaw, P. Bonfini

arxiv:1201.4171 v1 · 2012-01-19 · 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	2026-05-18T04:04:07.649740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffdb5a4f4abff6945e8117d1c89dd938564c42de47833dc73d0c715fe4896ffc

Aliases

arxiv: 1201.4171 · arxiv_version: 1201.4171v1 · doi: 10.48550/arxiv.1201.4171 · pith_short_12: 77NVUT2KX73J · pith_short_16: 77NVUT2KX73JIXUB · pith_short_8: 77NVUT2K

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/77NVUT2KX73JIXUBC7I4RHOZHB \
  | 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: ffdb5a4f4abff6945e8117d1c89dd938564c42de47833dc73d0c715fe4896ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c056fcd08e176528ccab29850598e40dd48bef8500b59fe4581349d5d02ad0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-19T21:00:00Z",
    "title_canon_sha256": "0f9334acde45287e5ca23e47e51cf6473b64abc147e67d474b4bd46f11e9ba96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4171",
    "kind": "arxiv",
    "version": 1
  }
}