Pith Number

pith:ESBMHG6J

pith:2002:ESBMHG6JSU5GWRVG2PZ3RFPEOX

not attested not anchored not stored refs pending

The MACHO Project LMC Variable Star Inventory: XII. Three Cepheid Variables in Eclipsing Binaries

A. C. Becker, A. J. Drake, A. W. Rodgers, B. A. Peterson, C. Alcock, C. A. Nelson, D. Lepischak, D. L. Welch, D. Minniti, D. P. Bennett, D. R. Alves, K. C. Freeman, K. Griest, K. H. Cook, M. J. Lehner, M. R. Pratt, N. Suntzeff, P. J. Quinn, P. Popowski, R. A. Allsman, S. Keller, S. L. Hawley, S. L. Marshall, T. Vandehei, W. Sutherland

arxiv:astro-ph/0201481 v2 · 2002-01-29 · 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{ESBMHG6JSU5GWRVG2PZ3RFPEOX}

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	2026-07-04T16:29:19.689723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2482c39bc9953a6b46a6d3f3b895e475fb0e5213944aae53fd049509ea0e87c3

Aliases

arxiv: astro-ph/0201481 · arxiv_version: astro-ph/0201481v2 · doi: 10.48550/arxiv.astro-ph/0201481 · pith_short_12: ESBMHG6JSU5G · pith_short_16: ESBMHG6JSU5GWRVG · pith_short_8: ESBMHG6J

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/ESBMHG6JSU5GWRVG2PZ3RFPEOX \
  | 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: 2482c39bc9953a6b46a6d3f3b895e475fb0e5213944aae53fd049509ea0e87c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a11bdb96606478f4e14c0b44c67afd61023029efeb9a9b9ed26f9109d4bee2f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-29T18:09:39Z",
    "title_canon_sha256": "58914a3dbbdae929a15c1bf4e97421b7a06b8686de2014304d3b5859a8b2e2f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201481",
    "kind": "arxiv",
    "version": 2
  }
}