Pith Number

pith:2APRQ5EH

pith:2015:2APRQ5EHDANBZEAKLADWYOZCW4

not attested not anchored not stored refs pending

The extremely populated globular cluster system of the lenticular galaxy NGC 6861

Carlos G. Escudero, Favio R. Faifer, Juan Pablo Calderon, Juan Pablo Caso, Lilia P. Bassino

arxiv:1502.05986 v1 · 2015-02-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2APRQ5EHDANBZEAKLADWYOZCW4}

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	2026-05-18T01:41:00.555785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d01f187487181a1c900a58076c3b22b70970bcc76085ba5ca8aa7e23d9f4b534

Aliases

arxiv: 1502.05986 · arxiv_version: 1502.05986v1 · doi: 10.48550/arxiv.1502.05986 · pith_short_12: 2APRQ5EHDANB · pith_short_16: 2APRQ5EHDANBZEAK · pith_short_8: 2APRQ5EH

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/2APRQ5EHDANBZEAKLADWYOZCW4 \
  | 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: d01f187487181a1c900a58076c3b22b70970bcc76085ba5ca8aa7e23d9f4b534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4030e615a91fc96500c1b79b49bc46c4871be8308b0b357d5c1d9ac5c188f19c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-20T20:29:49Z",
    "title_canon_sha256": "9c4f9c9c9c19dacc25f291f5dc25be17c20323a776048a66f983f6b7464d628f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05986",
    "kind": "arxiv",
    "version": 1
  }
}