Pith Number

pith:ZR2O6B44

pith:2013:ZR2O6B44V6NRFXVCYHZHKT5LG6

not attested not anchored not stored refs pending

Neutron stars initial spin period distribution

A. P. Igoshev (Sobolev Institut of Astronomy, Russia), Russia) S. B. Popov (Sternberg Astronomical Institute, Saint Petersburg State University

arxiv:1303.5258 v1 · 2013-03-21 · 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{ZR2O6B44V6NRFXVCYHZHKT5LG6}

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	2026-05-18T03:20:09.129899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc74ef079caf9b12dea2c1f2754fab37815fc507c9542cf8269c5c66f76f6f19

Aliases

arxiv: 1303.5258 · arxiv_version: 1303.5258v1 · doi: 10.48550/arxiv.1303.5258 · pith_short_12: ZR2O6B44V6NR · pith_short_16: ZR2O6B44V6NRFXVC · pith_short_8: ZR2O6B44

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/ZR2O6B44V6NRFXVCYHZHKT5LG6 \
  | 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: cc74ef079caf9b12dea2c1f2754fab37815fc507c9542cf8269c5c66f76f6f19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "678235ea8b9654740b139c3765d36eed97158d2d333a74cf568cb39542879687",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-21T13:59:53Z",
    "title_canon_sha256": "ec971bcb4e1f6f713ab345717675b3da1edb69e2e90df7be9e73471486e14742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5258",
    "kind": "arxiv",
    "version": 1
  }
}