Pith Number

pith:QZOIXWKP

pith:2001:QZOIXWKPVZJFQYYK2AI4CLISCE

not attested not anchored not stored refs pending

Changing Supercycle of the ER UMa-Type Star V1159 Ori

Taichi Kato (Kyoto U)

arxiv:astro-ph/0112373 v1 · 2001-12-16 · 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{QZOIXWKPVZJFQYYK2AI4CLISCE}

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	2026-05-18T01:40:43.592985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

865c8bd94fae5258630ad011c12d1211292ede06377df8e061bda46f834a7769

Aliases

arxiv: astro-ph/0112373 · arxiv_version: astro-ph/0112373v1 · doi: 10.48550/arxiv.astro-ph/0112373 · pith_short_12: QZOIXWKPVZJF · pith_short_16: QZOIXWKPVZJFQYYK · pith_short_8: QZOIXWKP

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/QZOIXWKPVZJFQYYK2AI4CLISCE \
  | 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: 865c8bd94fae5258630ad011c12d1211292ede06377df8e061bda46f834a7769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf53310749d1ebcd34e8d6f4c4a13d0406bfeec30282403632421350550d102d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-16T03:22:24Z",
    "title_canon_sha256": "7927024a4b6f78a3861de4e215af0388feea702566f58734a52d646b4ce94ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112373",
    "kind": "arxiv",
    "version": 1
  }
}