Pith Number

pith:WZDEYR6M

pith:2001:WZDEYR6MQKO3NUXFWIW6IRFD2G

not attested not anchored not stored refs pending

The Radio and Gamma-Ray Luminosities of Blazars

Gu), J.H. Fan (CfA, K.S. Cheng (HKU), L. Zhang (YNU)

arxiv:astro-ph/0103031 v1 · 2001-03-02 · 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{WZDEYR6MQKO3NUXFWIW6IRFD2G}

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	2026-05-18T01:40:44.823900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6464c47cc829db6d2e5b22de444a3d19c232b9eacf667d848501343ed2da429

Aliases

arxiv: astro-ph/0103031 · arxiv_version: astro-ph/0103031v1 · doi: 10.48550/arxiv.astro-ph/0103031 · pith_short_12: WZDEYR6MQKO3 · pith_short_16: WZDEYR6MQKO3NUXF · pith_short_8: WZDEYR6M

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/WZDEYR6MQKO3NUXFWIW6IRFD2G \
  | 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: b6464c47cc829db6d2e5b22de444a3d19c232b9eacf667d848501343ed2da429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca123f879752a43f76ea8639459d7f1b25ab54729cd37767f0ef4c7dbd17324",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-02T07:39:05Z",
    "title_canon_sha256": "81874e9c6c267c9870896cf3545b8a5167654bd38a273ec8184e745b8d0420fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103031",
    "kind": "arxiv",
    "version": 1
  }
}