Pith Number

pith:LDBGIQO4

pith:2012:LDBGIQO4PBAPDFT5QYVC53ZNJA

not attested not anchored not stored refs pending

A census of orbital properties of the M31 satellites

Cambridge), Glenn van de Ven (MPIA), Laura L. Watkins (MPIA, N. Wyn Evans (Cambridge)

arxiv:1211.2638 v1 · 2012-11-12 · astro-ph.CO · 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{LDBGIQO4PBAPDFT5QYVC53ZNJA}

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	2026-05-18T01:53:16.752699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c26441dc7840f1967d862a2eef2d480c3ed2f2d34f49835405480fcca906ed

Aliases

arxiv: 1211.2638 · arxiv_version: 1211.2638v1 · doi: 10.48550/arxiv.1211.2638 · pith_short_12: LDBGIQO4PBAP · pith_short_16: LDBGIQO4PBAPDFT5 · pith_short_8: LDBGIQO4

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/LDBGIQO4PBAPDFT5QYVC53ZNJA \
  | 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: 58c26441dc7840f1967d862a2eef2d480c3ed2f2d34f49835405480fcca906ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50bf891d7414b26b45f5f4f52a3abc5a2d9a9d176e2148018e3af13ce27c7984",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-12T14:37:59Z",
    "title_canon_sha256": "6543bc94ea52f949b179adcc25d12fadf820291c7975441e3627523ee913b418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2638",
    "kind": "arxiv",
    "version": 1
  }
}