Pith Number

pith:3WYMLICD

pith:2001:3WYMLICDOK4GXAE3R2U5OJJZHR

not attested not anchored not stored refs pending

A 168-s X-Ray Pulsar in the SMC Observed with ASCA

(2)NASDA, (3)Osaka University), Jun Yokogawa (1), Katsuji Koyama(4) ((1)Kyoto University, Ken'ichi Torii (2), Takayoshi Kohmura (3)

arxiv:astro-ph/0104230 v2 · 2001-04-13 · 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{3WYMLICDOK4GXAE3R2U5OJJZHR}

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	2026-05-18T01:40:44.640090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddb0c5a04372b86b809b8ea9d725393c6e36d232762801ba3e7b822564e2de60

Aliases

arxiv: astro-ph/0104230 · arxiv_version: astro-ph/0104230v2 · doi: 10.48550/arxiv.astro-ph/0104230 · pith_short_12: 3WYMLICDOK4G · pith_short_16: 3WYMLICDOK4GXAE3 · pith_short_8: 3WYMLICD

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/3WYMLICDOK4GXAE3R2U5OJJZHR \
  | 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: ddb0c5a04372b86b809b8ea9d725393c6e36d232762801ba3e7b822564e2de60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c85dd1a40523f0e26855d5e39d578b355315f5b7110ff58de1eb599de58111",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-13T08:19:37Z",
    "title_canon_sha256": "fbda5a5371bf48bd820c3e0e7ae75f9e8f4b9e95274fac430f16178fcdfe4cc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104230",
    "kind": "arxiv",
    "version": 2
  }
}