Pith Number

pith:OJ7SSRYY

pith:2010:OJ7SSRYYIHA7CT2ZSVPY52N4NK

not attested not anchored not stored refs pending

Modelling the light variability of the Ap star epsilon Ursae Majoris

D. Shulyak, J. Krticka, O. Kochukhov, T. Luftinger, Z. Mikulasek

arxiv:1009.1297 v1 · 2010-09-04 · 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{OJ7SSRYYIHA7CT2ZSVPY52N4NK}

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	2026-05-18T02:05:35.616560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

727f29471841c1f14f59955f8ee9bc6ab3431e1c88bbe643cad6ae84507bc03b

Aliases

arxiv: 1009.1297 · arxiv_version: 1009.1297v1 · doi: 10.48550/arxiv.1009.1297 · pith_short_12: OJ7SSRYYIHA7 · pith_short_16: OJ7SSRYYIHA7CT2Z · pith_short_8: OJ7SSRYY

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/OJ7SSRYYIHA7CT2ZSVPY52N4NK \
  | 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: 727f29471841c1f14f59955f8ee9bc6ab3431e1c88bbe643cad6ae84507bc03b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ab15ca9c81bf75e0d99a7f95dc6a2593001658390685a3d7faebba99aa6060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-04T17:15:17Z",
    "title_canon_sha256": "f918680a67c9773bb181a0b30742967b1a2eb281d237720e65ea971ea97261a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1297",
    "kind": "arxiv",
    "version": 1
  }
}