Pith Number

pith:KOOIO3JK

pith:2011:KOOIO3JKYVQZ6YRM7SVZNB2XEN

not attested not anchored not stored refs pending

Isolated neutron stars and studies of their interiors

S.B. Popov (Sternberg Astronomical Institute)

arxiv:1111.1158 v1 · 2011-11-04 · 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{KOOIO3JKYVQZ6YRM7SVZNB2XEN}

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	2026-05-18T01:59:45.468840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

539c876d2ac5619f622cfcab9687572347c666e797ccf436e1c0c73c3bd8949d

Aliases

arxiv: 1111.1158 · arxiv_version: 1111.1158v1 · doi: 10.48550/arxiv.1111.1158 · pith_short_12: KOOIO3JKYVQZ · pith_short_16: KOOIO3JKYVQZ6YRM · pith_short_8: KOOIO3JK

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/KOOIO3JKYVQZ6YRM7SVZNB2XEN \
  | 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: 539c876d2ac5619f622cfcab9687572347c666e797ccf436e1c0c73c3bd8949d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6e1640ffea340e0ee6455984d52c3a009807b3f633967cc442a0bb4331f29b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-04T15:37:35Z",
    "title_canon_sha256": "7f6ba496fcc98aad65b83c2ec5538b4bf6f6957905554166ded80291d91aace5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1158",
    "kind": "arxiv",
    "version": 1
  }
}