Pith Number

pith:NWYWUHOF

pith:2011:NWYWUHOFTYQBBWBYXSWLFDRJTO

not attested not anchored not stored refs pending

Exploring the Properties of the M31 Halo Globular Cluster System

A. D. Mackey, A. M. N. Ferguson, A. P. Huxor, G. F. Lewis, M. J. Irwin, N. R. Tanvir, R. A. Ibata, S. C. Chapman, T. Bridges

arxiv:1102.0403 v1 · 2011-02-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWYWUHOFTYQBBWBYXSWLFDRJTO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:17.625133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6db16a1dc59e2010d838bcacb28e299b8f9c9b12ae1e15256d4ea186f8b08da2

Aliases

arxiv: 1102.0403 · arxiv_version: 1102.0403v1 · doi: 10.48550/arxiv.1102.0403 · pith_short_12: NWYWUHOFTYQB · pith_short_16: NWYWUHOFTYQBBWBY · pith_short_8: NWYWUHOF

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/NWYWUHOFTYQBBWBYXSWLFDRJTO \
  | 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: 6db16a1dc59e2010d838bcacb28e299b8f9c9b12ae1e15256d4ea186f8b08da2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa53e5480d99d2d7ffe0c779e80636506c7ca9a4029617c4eaf0fd0bb2f3d3c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-02T11:12:12Z",
    "title_canon_sha256": "02b1686f06e72c82af8cdd5de20d84be144488640181864b7edd74d84fe77e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0403",
    "kind": "arxiv",
    "version": 1
  }
}