pith. sign in
Pith Number

pith:PAIUJEDX

pith:2003:PAIUJEDX2BBCOO6HZ3BM7VJXCB
not attested not anchored not stored refs pending

Unusual Subpulse Modulation in PSR B0320+39

A. G. J. van Leeuwen, B. W. Stappers, R. T. Edwards

arxiv:astro-ph/0302476 v1 · 2003-02-24 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PAIUJEDX2BBCOO6HZ3BM7VJXCB}

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 2026-05-18T04:21:41.796567Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7811449077d042273bc7cec2cfd537106d906112a829fc676e46bc3ddf7e175a

Aliases

arxiv: astro-ph/0302476 · arxiv_version: astro-ph/0302476v1 · doi: 10.48550/arxiv.astro-ph/0302476 · pith_short_12: PAIUJEDX2BBC · pith_short_16: PAIUJEDX2BBCOO6H · pith_short_8: PAIUJEDX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PAIUJEDX2BBCOO6HZ3BM7VJXCB \
  | 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: 7811449077d042273bc7cec2cfd537106d906112a829fc676e46bc3ddf7e175a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd20dce4da5f6511ae77c7ef7790898ed6d7566cd4016a9d60bf43624948c46c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-24T11:39:52Z",
    "title_canon_sha256": "8bd09b7fd3d54ff452a77acd9164ed943357fbaffba20db04d9141b3cd9a63e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302476",
    "kind": "arxiv",
    "version": 1
  }
}