Pith Number

pith:2BRUOYPB

pith:2015:2BRUOYPBHTTUUIVT3KKQLHVW3G

not attested not anchored not stored refs pending

Modelling of variability of the chemically peculiar star phi Draconis

Ji\v{r}\'i Krti\v{c}ka, Ji\v{r}\'i Liska, Milan Prv\'ak, T. L\"uftinger, Zden\v{e}k Mikul\'a\v{s}ek

arxiv:1510.01192 v1 · 2015-10-05 · 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{2BRUOYPBHTTUUIVT3KKQLHVW3G}

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	2026-05-18T01:26:41.238950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0634761e13ce74a22b3da95059eb6d9a84e2766d0a40620a193c0453692acdb

Aliases

arxiv: 1510.01192 · arxiv_version: 1510.01192v1 · doi: 10.48550/arxiv.1510.01192 · pith_short_12: 2BRUOYPBHTTU · pith_short_16: 2BRUOYPBHTTUUIVT · pith_short_8: 2BRUOYPB

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/2BRUOYPBHTTUUIVT3KKQLHVW3G \
  | 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: d0634761e13ce74a22b3da95059eb6d9a84e2766d0a40620a193c0453692acdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860326dc5e5ac946692189b0cfa86d3de1c38f350c676e1d0699ea2341993d4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-10-05T15:42:16Z",
    "title_canon_sha256": "53f55d946dbc12970b78c9f59e6d314824ed58e4e0b03b20dd2dc76303ff5fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01192",
    "kind": "arxiv",
    "version": 1
  }
}