Pith Number

pith:N64SBC2S

pith:2003:N64SBC2SZCUEZC4PCEIEFKRSXA

not attested not anchored not stored refs pending

Gravitational lensing by stars with angular momentum

M. Sereno

arxiv:astro-ph/0307243 v1 · 2003-07-11 · 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{N64SBC2SZCUEZC4PCEIEFKRSXA}

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	2026-07-04T16:51:17.413304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb9208b52c8a84c8b8f111042aa32b834d65ed190693f936e65c2101801d60a

Aliases

arxiv: astro-ph/0307243 · arxiv_version: astro-ph/0307243v1 · doi: 10.48550/arxiv.astro-ph/0307243 · pith_short_12: N64SBC2SZCUE · pith_short_16: N64SBC2SZCUEZC4P · pith_short_8: N64SBC2S

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/N64SBC2SZCUEZC4PCEIEFKRSXA \
  | 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: 6fb9208b52c8a84c8b8f111042aa32b834d65ed190693f936e65c2101801d60a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c8026677e488faf1efa4b293b1a3dd7d70c9f81df63b452b5053acafbb9e89f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-11T13:51:56Z",
    "title_canon_sha256": "dbe56aec126908a3b96bdb56fbf770ce278e28957dc75f72a6628062d2d7bc53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307243",
    "kind": "arxiv",
    "version": 1
  }
}