Pith Number

pith:GZ26HGEW

pith:2012:GZ26HGEWZWKFT63JU7RQ4LSHEM

not attested not anchored not stored refs pending

Discovery of an unidentified Fermi object as a black widow-like millisecond pulsar

A. K. H. Kong, C. C. Cheung, C. Y. Hui, D. Donato, J. Kataoka, J. Takata, K. Maeda, K. S. Cheng, L. C. C. Lin, P. H. T. Tam, R. H. H. Huang, Y. Takahashi, Y. Yatsu

arxiv:1201.3629 v1 · 2012-01-17 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZ26HGEWZWKFT63JU7RQ4LSHEM}

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	2026-05-18T01:58:47.863607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3675e39896cd9459fb69a7e30e2e472305046dec572fd02325129806c474ca92

Aliases

arxiv: 1201.3629 · arxiv_version: 1201.3629v1 · doi: 10.48550/arxiv.1201.3629 · pith_short_12: GZ26HGEWZWKF · pith_short_16: GZ26HGEWZWKFT63J · pith_short_8: GZ26HGEW

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/GZ26HGEWZWKFT63JU7RQ4LSHEM \
  | 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: 3675e39896cd9459fb69a7e30e2e472305046dec572fd02325129806c474ca92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3442280b9161cb72663fdca78262db1927df99ac6069c6e8e82d6626737d21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-17T21:01:25Z",
    "title_canon_sha256": "54bcea46236c16ac4ae664991aebf32cef2c46478c3dd0740d8a82c341f4232a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3629",
    "kind": "arxiv",
    "version": 1
  }
}