Pith Number

pith:SMX7HQOT

pith:2013:SMX7HQOTZRDEXJMRQM2WML2NNS

not attested not anchored not stored refs pending

Modeling the non-recycled Fermi gamma-ray pulsar population

A. K. Harding, B. B. P. Perera, J. M. Cordes, M. A. McLaughlin, M. Kerr, T. H. Burnett

arxiv:1309.1982 v1 · 2013-09-08 · astro-ph.SR · 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{SMX7HQOTZRDEXJMRQM2WML2NNS}

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	2026-05-18T01:47:48.668708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

932ff3c1d3cc464ba5918335662f4d6cb382dc085b2f61ac74fe566fd474b4ff

Aliases

arxiv: 1309.1982 · arxiv_version: 1309.1982v1 · doi: 10.48550/arxiv.1309.1982 · pith_short_12: SMX7HQOTZRDE · pith_short_16: SMX7HQOTZRDEXJMR · pith_short_8: SMX7HQOT

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/SMX7HQOTZRDEXJMRQM2WML2NNS \
  | 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: 932ff3c1d3cc464ba5918335662f4d6cb382dc085b2f61ac74fe566fd474b4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91d09551f2edacc77b92c0e43bc9a3c00a0801b763a8393784a584755c14f9a3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-08T17:33:49Z",
    "title_canon_sha256": "4f5990915086528cb16446ae9d67dbbdc807a224bf55b0eff220d648295e7e5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1982",
    "kind": "arxiv",
    "version": 1
  }
}