Pith Number

pith:JMNIW3EV

pith:2011:JMNIW3EVAWKX347TSWPQMRKM6N

not attested not anchored not stored refs pending

PSR J2030+3641: radio discovery and gamma-ray study of a middle-aged pulsar in the now identified Fermi-LAT source 1FGL J2030.0+3641

A.K. Harding, D. Donato, D. Parent, E.C. Ferrara, F. Camilo, K.S. Wood, L. Guillemot, M.E. DeCesar, M. Keith, M. Kerr, M. Kramer, P.C.C. Freire, P.M. Saz Parkinson, P.S. Ray, R.W. Romani, S. Johnston, S.M. Ransom

arxiv:1111.4270 v1 · 2011-11-18 · astro-ph.GA · 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{JMNIW3EVAWKX347TSWPQMRKM6N}

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	2026-05-18T01:59:29.484666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b1a8b6c9505957df3f3959f06454cf3708131606cb3641593a3b3c5a6a838b6

Aliases

arxiv: 1111.4270 · arxiv_version: 1111.4270v1 · doi: 10.48550/arxiv.1111.4270 · pith_short_12: JMNIW3EVAWKX · pith_short_16: JMNIW3EVAWKX347T · pith_short_8: JMNIW3EV

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/JMNIW3EVAWKX347TSWPQMRKM6N \
  | 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: 4b1a8b6c9505957df3f3959f06454cf3708131606cb3641593a3b3c5a6a838b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a5056b4297058d0b8e503b83f437f97bdc9898ec2a7b6596e36d800c0b66d8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-18T03:44:38Z",
    "title_canon_sha256": "55bb2d3b58caab2f769109866ef75cd8015242794eccc29cd11cb34696b1b2f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4270",
    "kind": "arxiv",
    "version": 1
  }
}