Pith Number

pith:NW7K6OVC

pith:1999:NW7K6OVCPTDQCDCAWHRQSOTW5G

not attested not anchored not stored refs pending

Likely detection of pulsed high-energy gamma-rays from millisecond pulsar PSR J0218+4232

A. Lyne, D.J. Thompson, F. Verbunt, G. Cusumano, I. Stairs, L. Kuiper, W. Hermsen

arxiv:astro-ph/9911268 v1 · 1999-11-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NW7K6OVCPTDQCDCAWHRQSOTW5G}

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	2026-07-04T14:17:19.486947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbeaf3aa27cc7010c40b1e3093a76e9981120968f2b7b5faa3209b75686da4b

Aliases

arxiv: astro-ph/9911268 · arxiv_version: astro-ph/9911268v1 · doi: 10.48550/arxiv.astro-ph/9911268 · pith_short_12: NW7K6OVCPTDQ · pith_short_16: NW7K6OVCPTDQCDCA · pith_short_8: NW7K6OVC

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/NW7K6OVCPTDQCDCAWHRQSOTW5G \
  | 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: 6dbeaf3aa27cc7010c40b1e3093a76e9981120968f2b7b5faa3209b75686da4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bee5b8e4c0513b2630b75c4a904b798d9349eb80d7e8a4e153650253d727bdd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-11-15T15:43:20Z",
    "title_canon_sha256": "0f9ac972ff235dae635256b4c5f3f6b84df4d4e09fd6e16b88fee625faeb54fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9911268",
    "kind": "arxiv",
    "version": 1
  }
}