Pith Number

pith:FQGEIXJ5

pith:2018:FQGEIXJ5B7LR3W4S4CA6JSYGRD

not attested not anchored not stored refs pending

An Updated Catalog of 4680 Northern Eclipsing Binaries with Algol-Type light curve morphology in the Catalina Sky Surveys

A. J. Drake, A. Papageorgiou, M. Catelan, P.-E. Christopoulou, S. G. Djorgovski

arxiv:1808.09725 v1 · 2018-08-29 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQGEIXJ5B7LR3W4S4CA6JSYGRD}

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	2026-05-18T00:03:45.363424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c0c445d3d0fd71ddb92e081e4cb0688ce5c573be875548522fce3ecd5d7ac64

Aliases

arxiv: 1808.09725 · arxiv_version: 1808.09725v1 · doi: 10.48550/arxiv.1808.09725 · pith_short_12: FQGEIXJ5B7LR · pith_short_16: FQGEIXJ5B7LR3W4S · pith_short_8: FQGEIXJ5

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/FQGEIXJ5B7LR3W4S4CA6JSYGRD \
  | 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: 2c0c445d3d0fd71ddb92e081e4cb0688ce5c573be875548522fce3ecd5d7ac64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c83ec78fc26921ffa33fec8ddfab7c43f1b4bc97369c33a9ee79ad9483920374",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-29T11:04:55Z",
    "title_canon_sha256": "349988f6603cef6bff0ad8f4f068da1fed2fa21a716f2f88477e5f9ad89deb9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09725",
    "kind": "arxiv",
    "version": 1
  }
}