Pith Number

pith:P7YWQ453

pith:2012:P7YWQ453ZPC5J3GAC6DNOIS5RN

not attested not anchored not stored refs pending

PSR J1838-0537: Discovery of a young, energetic gamma-ray pulsar

B. Allen, C. Aulbert, F. Camilo, H. Fehrmann, H. J. Pletsch, J. E. Grove, L. Guillemot, M. G. Baring, M. Kerr, M. Kramer, M. Marelli, P. A. Caraveo, P. M. Saz Parkinson, P. S. Ray, S. M. Ransom

arxiv:1207.5333 v1 · 2012-07-23 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7YWQ453ZPC5J3GAC6DNOIS5RN}

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	2026-05-18T03:49:57.673235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff16873bbcbc5d4ecc01786d7225d8b462b975ead066d1891bc4bf047138c4f

Aliases

arxiv: 1207.5333 · arxiv_version: 1207.5333v1 · doi: 10.48550/arxiv.1207.5333 · pith_short_12: P7YWQ453ZPC5 · pith_short_16: P7YWQ453ZPC5J3GA · pith_short_8: P7YWQ453

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/P7YWQ453ZPC5J3GAC6DNOIS5RN \
  | 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: 7ff16873bbcbc5d4ecc01786d7225d8b462b975ead066d1891bc4bf047138c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2dc9aa211cb4123375418aa553e464bcf104b506ba640523686cc26d26cc435",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-23T09:41:34Z",
    "title_canon_sha256": "aecb6146b037cddec354df60338c7811eedd19effcae2996505614127794061c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5333",
    "kind": "arxiv",
    "version": 1
  }
}