Pith Number

pith:FNF6IIG5

pith:2013:FNF6IIG5JR3EJOX33UNENU6EHC

not attested not anchored not stored refs pending

Unifying neutron stars: getting to GUNS

A. P. Igoshev (Sobolev Institute of Astronomy, Mullard Space Science Lab. UCL), R. Turolla (Univ. Padua, Russia), Saint Petersburg State University, S.B. Popov (Sternberg Astronomical Institute

arxiv:1309.4917 v1 · 2013-09-19 · 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{FNF6IIG5JR3EJOX33UNENU6EHC}

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	2026-05-18T01:47:35.526734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b4be420dd4c7644bafbdd1a46d3c438b39e3c72ad11187497a9fa412ef87b4a

Aliases

arxiv: 1309.4917 · arxiv_version: 1309.4917v1 · doi: 10.48550/arxiv.1309.4917 · pith_short_12: FNF6IIG5JR3E · pith_short_16: FNF6IIG5JR3EJOX3 · pith_short_8: FNF6IIG5

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/FNF6IIG5JR3EJOX33UNENU6EHC \
  | 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: 2b4be420dd4c7644bafbdd1a46d3c438b39e3c72ad11187497a9fa412ef87b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82b5593cee1600905545eea617b032758ea3767a6ad86bf146af30e19c18217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-19T10:05:26Z",
    "title_canon_sha256": "0f36d263644e8da4d2dfe9196519869b4b15dc821588333709690c7893fa5a4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4917",
    "kind": "arxiv",
    "version": 1
  }
}