Pith Number

pith:EWVAKKU2

pith:2011:EWVAKKU27XJC6FJKDZ6JK7LBJV

not attested not anchored not stored refs pending

Kinematics and stellar population of NGC 4486A

Mina Koleva, Philippe Prugniel, Sven De Rijcke, Werner Zeilinger

arxiv:1102.2736 v1 · 2011-02-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWVAKKU27XJC6FJKDZ6JK7LBJV}

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	2026-05-18T02:03:11.448116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25aa052a9afdd22f152a1e7c957d614d4160f440e1e25206725c07de9bcd3d40

Aliases

arxiv: 1102.2736 · arxiv_version: 1102.2736v1 · doi: 10.48550/arxiv.1102.2736 · pith_short_12: EWVAKKU27XJC · pith_short_16: EWVAKKU27XJC6FJK · pith_short_8: EWVAKKU2

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/EWVAKKU27XJC6FJKDZ6JK7LBJV \
  | 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: 25aa052a9afdd22f152a1e7c957d614d4160f440e1e25206725c07de9bcd3d40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1881e7eaa0e53d238a072080c5e113a2c3323d88fbfcca19f63f38af87bd46c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-14T11:36:26Z",
    "title_canon_sha256": "c675e017280b0091d471e90faaaaf9200e1e60c5c8071516cdf9cc64663dd3f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2736",
    "kind": "arxiv",
    "version": 1
  }
}