pith. sign in
Pith Number

pith:7MJ263XO

pith:2002:7MJ263XO3XFQDXD7HZ5RVSPDCG
not attested not anchored not stored refs pending

How fast could a proto-pulsar rotate?

G.J. Qiao (PKU), H.G. Wang (PKU), R.X. Xu (PKU)

arxiv:astro-ph/0206166 v1 · 2002-06-11 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7MJ263XO3XFQDXD7HZ5RVSPDCG}

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 2026-05-18T02:40:35.559283Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fb13af6eeeddcb01dc7f3e7b1ac9e311925449e0a0d68478f7549ff9a928f6e4

Aliases

arxiv: astro-ph/0206166 · arxiv_version: astro-ph/0206166v1 · doi: 10.48550/arxiv.astro-ph/0206166 · pith_short_12: 7MJ263XO3XFQ · pith_short_16: 7MJ263XO3XFQDXD7 · pith_short_8: 7MJ263XO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7MJ263XO3XFQDXD7HZ5RVSPDCG \
  | 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: fb13af6eeeddcb01dc7f3e7b1ac9e311925449e0a0d68478f7549ff9a928f6e4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "29f4a9577621d19d17eb871e17e7c79177ff9f415746a1e367fa25d1b9b41e6f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-11T09:59:49Z",
    "title_canon_sha256": "3f68235fe71798749bddf7d3dfbc852a70c3fc89f4905ee7041f8dfa67ce6a6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206166",
    "kind": "arxiv",
    "version": 1
  }
}