Pith Number

pith:55HPQHL7

pith:2014:55HPQHL7QYRA35TDG72UCHIB4W

not attested not anchored not stored refs pending

The eclipsing binary system SW Lacertae: hotometric study

A. El-Bassuny Alawy, A. Essam, M. A. Hamdy

arxiv:1402.2929 v1 · 2014-02-12 · 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{55HPQHL7QYRA35TDG72UCHIB4W}

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	2026-05-18T02:59:16.898020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074

Aliases

arxiv: 1402.2929 · arxiv_version: 1402.2929v1 · doi: 10.48550/arxiv.1402.2929 · pith_short_12: 55HPQHL7QYRA · pith_short_16: 55HPQHL7QYRA35TD · pith_short_8: 55HPQHL7

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/55HPQHL7QYRA35TDG72UCHIB4W \
  | 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: ef4ef81d7f86220df66337f5411d01e5a1969f6f1bd4efe249eedc75ddfaf074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e5091e88b81802468eed17ef1f120a3e56ff02a1e6b11649803675040b1173",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-02-12T18:49:21Z",
    "title_canon_sha256": "14c7927b8c2b78f6ed9b95c972465088befef726d4e06984037d0c17d5196fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2929",
    "kind": "arxiv",
    "version": 1
  }
}