Pith Number

pith:3X6WG5LE

pith:2000:3X6WG5LE75OKTYPYLTH5EOASEL

not attested not anchored not stored refs pending

A 421 d Activity Cycle in the BeX Recurrent Transient A0538-66 from MACHO monitoring

A. B. Tomaney, A. C. Becker, A. J. Drake, B. A. Peterson, C. Alcock, C. A. Nelson, C. W. Stubbs, D. L. Welch, D. Minniti, D. P. Bennett, D. R. Alves, K. C. Freeman, K. E. McGowan, K. Griest, K. H. Cook, M. Geha, M. J. Lehner, M. R. Pratt, P. A. Charles, P. J. Quinn, P. Popowski, R. A. Allsman, S. L. Marshall, T. S. Axelrod, T. Vandehei, W. Sutherland

arxiv:astro-ph/0009415 v1 · 2000-09-26 · 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{3X6WG5LE75OKTYPYLTH5EOASEL}

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	2026-07-04T16:17:12.113278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddfd637564ff5ca9e1f85ccfd2381222f5119c30716d5f6cce201903d42f38da

Aliases

arxiv: astro-ph/0009415 · arxiv_version: astro-ph/0009415v1 · doi: 10.48550/arxiv.astro-ph/0009415 · pith_short_12: 3X6WG5LE75OK · pith_short_16: 3X6WG5LE75OKTYPY · pith_short_8: 3X6WG5LE

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/3X6WG5LE75OKTYPYLTH5EOASEL \
  | 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: ddfd637564ff5ca9e1f85ccfd2381222f5119c30716d5f6cce201903d42f38da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56fe9ca6ff5c07169bc86a1f111c469157c82e06ece1f4a32af8a6a318aa4069",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-26T14:03:38Z",
    "title_canon_sha256": "a305b0ce526ad63fce7d7ed38f627c7b0793d584ba02b542e50c07bc71a40c59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009415",
    "kind": "arxiv",
    "version": 1
  }
}