Pith Number

pith:NN7LEOCQ

pith:2012:NN7LEOCQADOL7YUB57NHWPC2HT

not attested not anchored not stored refs pending

The Observational and Theoretical Tidal Radii of Globular Clusters in M87

Alison Sills, Jeremy J. Webb, William E. Harris

arxiv:1201.1058 v1 · 2012-01-05 · 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{NN7LEOCQADOL7YUB57NHWPC2HT}

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	2026-05-18T01:58:57.424399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b7eb2385000dcbfe281efda7b3c5a3cc5d77e510561a3dad3d94e8f41864d65

Aliases

arxiv: 1201.1058 · arxiv_version: 1201.1058v1 · doi: 10.48550/arxiv.1201.1058 · pith_short_12: NN7LEOCQADOL · pith_short_16: NN7LEOCQADOL7YUB · pith_short_8: NN7LEOCQ

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/NN7LEOCQADOL7YUB57NHWPC2HT \
  | 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: 6b7eb2385000dcbfe281efda7b3c5a3cc5d77e510561a3dad3d94e8f41864d65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26dd83f555d1ccd9ebac7e5e1de8593ea78e8b8d0568f7d8ae1260609094b329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-05T04:16:00Z",
    "title_canon_sha256": "e9a2bde83b2cd32a9fd2582049ff2335e01f402b1d99c41d037a24433e35c123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1058",
    "kind": "arxiv",
    "version": 1
  }
}