Pith Number

pith:ZHZRHENX

pith:2017:ZHZRHENXI6N3LU2GT2G5DVAFIT

not attested not anchored not stored refs pending

Odessa Scientific School of Researchers Of Variable Stars: From V.P.Tsesevich (1907-1983) to Our Days

Ivan L. Andronov

arxiv:1712.08489 v2 · 2017-12-16 · physics.hist-ph · 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{ZHZRHENXI6N3LU2GT2G5DVAFIT}

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	2026-05-18T00:25:03.717636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9f31391b7479bb5d3469e8dd1d40544fbee86d55297a248273050ed2d498674

Aliases

arxiv: 1712.08489 · arxiv_version: 1712.08489v2 · doi: 10.48550/arxiv.1712.08489 · pith_short_12: ZHZRHENXI6N3 · pith_short_16: ZHZRHENXI6N3LU2G · pith_short_8: ZHZRHENX

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/ZHZRHENXI6N3LU2GT2G5DVAFIT \
  | 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: c9f31391b7479bb5d3469e8dd1d40544fbee86d55297a248273050ed2d498674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfb0c95e4a27d2b364b6979986f43fe35aac3c749b638414bb6d8eed90222a59",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-12-16T11:13:30Z",
    "title_canon_sha256": "1ece9369a3d39c2721ed221da9879bf47a2fd6a67dabcf9eabe5f8bb3b4edcdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08489",
    "kind": "arxiv",
    "version": 2
  }
}