Pith Number

pith:6G5HMVY2

pith:1999:6G5HMVY2ESYP3BI4FHCLV55PVK

not attested not anchored not stored refs pending

ASCA Discovery of a Be X-Ray Pulsar in the SMC: AX J0051-733

2) ((1) Dept. Physics, (2) CREST), Jun Yokogawa (1), Katsuji Koyama(1, Kensuke Imanishi (1), Kyoto University, Masahiro Tsujimoto (1)

arxiv:astro-ph/9910463 v2 · 1999-10-26 · 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{6G5HMVY2ESYP3BI4FHCLV55PVK}

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	2026-05-18T01:40:12.498416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1ba76571a24b0fd851c29c4baf7afaabb08721c28480f97b13da03db3bd853a

Aliases

arxiv: astro-ph/9910463 · arxiv_version: astro-ph/9910463v2 · doi: 10.48550/arxiv.astro-ph/9910463 · pith_short_12: 6G5HMVY2ESYP · pith_short_16: 6G5HMVY2ESYP3BI4 · pith_short_8: 6G5HMVY2

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/6G5HMVY2ESYP3BI4FHCLV55PVK \
  | 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: f1ba76571a24b0fd851c29c4baf7afaabb08721c28480f97b13da03db3bd853a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "192d1b8039559bcd5d94d12830f5e6b979f3722962c17da0f7ea60a226c71e74",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-26T10:00:25Z",
    "title_canon_sha256": "51d012ba509d12daef6d0e0a12879a7f20aa1bf7e230e71f038508a7f252eb4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910463",
    "kind": "arxiv",
    "version": 2
  }
}