Pith Number

pith:U5HDSIE5

pith:2018:U5HDSIE5SJXGO5BNBF4UHRD2VO

not attested not anchored not stored refs pending

Period variations of Algol-type eclipsing binaries AD And, TW Cas and IV Cas

M. Fedurco, M. Va\v{n}ko, P. Gajdos, S. Parimucha, V. Kudak

arxiv:1801.09953 v1 · 2018-01-30 · 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{U5HDSIE5SJXGO5BNBF4UHRD2VO}

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	2026-05-18T00:17:05.214524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a74e39209d926e67742d097943c47aab99a537bdda112c4f786d7bbcce9515cf

Aliases

arxiv: 1801.09953 · arxiv_version: 1801.09953v1 · doi: 10.48550/arxiv.1801.09953 · pith_short_12: U5HDSIE5SJXG · pith_short_16: U5HDSIE5SJXGO5BN · pith_short_8: U5HDSIE5

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/U5HDSIE5SJXGO5BNBF4UHRD2VO \
  | 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: a74e39209d926e67742d097943c47aab99a537bdda112c4f786d7bbcce9515cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c29171b87957345cda44a28f3e9ef43fe0e0aee060b0b2658ec13b1810d0909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-30T12:26:14Z",
    "title_canon_sha256": "26ff8057d7c6d30881fd0287905ce8481a0f624395958ca65283d28de697002d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09953",
    "kind": "arxiv",
    "version": 1
  }
}