Pith Number

pith:OJVU4VHU

pith:2003:OJVU4VHUPJKD52FQI3MUYBW4B3

not attested not anchored not stored refs pending

The Anomaly in the Candidate Microlensing Event PA-99-N2

A. Gould (Ohio State), B.J. Carr (Queen Mary, D. Valls-Gabaud (Toulouse), E. Kerins (Liverpool JMU), J. Kaplan (College de France), London), M. Creze (College de France), N.W. Evans (Cambridge), P. Baillon (CERN), P. Hewett (Cambridge), P. Jetzer (Zurich), S. Calchi-Novati (Zurich), S.J. Smartt (Cambridge), S. Paulin-Henriksson (College de France), The POINT-AGAPE Collaboration: J.H. An (Cambridge), Y. Giraud-Heraud (College de France), Y. Tsapras (Queen Mary

arxiv:astro-ph/0310457 v1 · 2003-10-16 · 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{OJVU4VHUPJKD52FQI3MUYBW4B3}

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	2026-05-18T03:47:51.556119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

726b4e54f47a543ee8b046d94c06dc0efbfcc1be50f4576d5fb347bf40584af1

Aliases

arxiv: astro-ph/0310457 · arxiv_version: astro-ph/0310457v1 · doi: 10.48550/arxiv.astro-ph/0310457 · pith_short_12: OJVU4VHUPJKD · pith_short_16: OJVU4VHUPJKD52FQ · pith_short_8: OJVU4VHU

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/OJVU4VHUPJKD52FQI3MUYBW4B3 \
  | 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: 726b4e54f47a543ee8b046d94c06dc0efbfcc1be50f4576d5fb347bf40584af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85c4912174ed49feaea6dc8b748ed9f2812cc39b69bf71444a35fdb452091e07",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-16T14:06:14Z",
    "title_canon_sha256": "fe03904dc363414009980acaadd26a785035a25b1731669d5b95ed9727c0ba53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310457",
    "kind": "arxiv",
    "version": 1
  }
}