Pith Number

pith:HZ4OMROA

pith:2013:HZ4OMROA2X2HJRPVI4LTE3A6PQ

not attested not anchored not stored refs pending

Forty years of UBV photometry at Hvar

H. Bo\v{z}i\'c, P. Harmanec

arxiv:1303.6413 v1 · 2013-03-26 · 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{HZ4OMROA2X2HJRPVI4LTE3A6PQ}

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	2026-05-18T03:29:49.507291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e78e645c0d5f474c5f54717326c1e7c1088a04e04712f23f5174d55805f9de6

Aliases

arxiv: 1303.6413 · arxiv_version: 1303.6413v1 · doi: 10.48550/arxiv.1303.6413 · pith_short_12: HZ4OMROA2X2H · pith_short_16: HZ4OMROA2X2HJRPV · pith_short_8: HZ4OMROA

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/HZ4OMROA2X2HJRPVI4LTE3A6PQ \
  | 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: 3e78e645c0d5f474c5f54717326c1e7c1088a04e04712f23f5174d55805f9de6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4724af5dbcf29a913dfe29ec708ba558e3294ffb844a52824b1329ecf2a0b842",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-26T08:55:32Z",
    "title_canon_sha256": "3c249c10b777dc082153381d6894a4d5195a883de1bcad803955633ba1394b1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6413",
    "kind": "arxiv",
    "version": 1
  }
}