Pith Number

pith:H53FPPXU

pith:2011:H53FPPXU6JZAM7ZHQFUZGTETGN

not attested not anchored not stored refs pending

Optical pulsations from isolated neutron stars

Kepler Institute of Astronomy, R. P. Mignani (MSSL-UCL, University of Zielona Gora)

arxiv:1111.5535 v1 · 2011-11-23 · 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{H53FPPXU6JZAM7ZHQFUZGTETGN}

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	2026-05-18T01:59:26.258017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f7657bef4f272067f278169934c933369afc4ed80e6fe9899b3eedf3c2dca8b

Aliases

arxiv: 1111.5535 · arxiv_version: 1111.5535v1 · doi: 10.48550/arxiv.1111.5535 · pith_short_12: H53FPPXU6JZA · pith_short_16: H53FPPXU6JZAM7ZH · pith_short_8: H53FPPXU

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/H53FPPXU6JZAM7ZHQFUZGTETGN \
  | 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: 3f7657bef4f272067f278169934c933369afc4ed80e6fe9899b3eedf3c2dca8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e126753d4720edc2fe07a3542450fb4aefec59d2fcda35c3936b5efd4883bab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-23T16:07:33Z",
    "title_canon_sha256": "a60939af007f41ca5bf77b9fe27499c83fa51b55df90cfd74e95f37d995f1488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5535",
    "kind": "arxiv",
    "version": 1
  }
}