Pith Number

pith:2QSJEEKW

pith:2004:2QSJEEKWGDCUOAPVLQVRH2POQB

not attested not anchored not stored refs pending

Observations of PSR J2021+3651 and its X-ray Pulsar Wind Nebula G75.2+0.1

B.M. Gaensler, C.-Y. Ng, J.W.T. Hessels, M.S.E. Roberts, P.C.C. Freire, R.W. Romani, S.M. Ransom, V.M. Kaspi

arxiv:astro-ph/0403632 v1 · 2004-03-26 · 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{2QSJEEKWGDCUOAPVLQVRH2POQB}

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.

Cited by

1 paper in Pith

Observation of VER J2019+368 with the SST-1M stereoscopic system

Receipt and verification

First computed	2026-07-04T15:52:20.205207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42492115630c54701f55c2b13e9ee807d50d5a256cc18cbfa55afb385ca31e0

Aliases

arxiv: astro-ph/0403632 · arxiv_version: astro-ph/0403632v1 · doi: 10.48550/arxiv.astro-ph/0403632 · pith_short_12: 2QSJEEKWGDCU · pith_short_16: 2QSJEEKWGDCUOAPV · pith_short_8: 2QSJEEKW

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/2QSJEEKWGDCUOAPVLQVRH2POQB \
  | 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: d42492115630c54701f55c2b13e9ee807d50d5a256cc18cbfa55afb385ca31e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be8b9f33fd8ac69fdc1537c265803379324e618b7bce0bf868d10b83f9dc93a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-26T21:34:32Z",
    "title_canon_sha256": "aad2dd22dbb8e24d06f0afc87b911c34d52c6fdd6a74b4e3d98da778ab966494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403632",
    "kind": "arxiv",
    "version": 1
  }
}