Pith Number

pith:UWE6NPI7

pith:2013:UWE6NPI7QOHNKEURVANEAAMFE7

not attested not anchored not stored refs pending

Pulsating stars in NGC 6231 Frequency analysis and photometric mode identification near the main sequence

Gerald Handler, Robert R. Shobbrook, Stefan Meingast

arxiv:1307.4893 v1 · 2013-07-18 · 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{UWE6NPI7QOHNKEURVANEAAMFE7}

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	2026-05-18T01:48:43.013462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a589e6bd1f838ed51291a81a40018527d4857231e56cc14fa0877d156433a16b

Aliases

arxiv: 1307.4893 · arxiv_version: 1307.4893v1 · doi: 10.48550/arxiv.1307.4893 · pith_short_12: UWE6NPI7QOHN · pith_short_16: UWE6NPI7QOHNKEUR · pith_short_8: UWE6NPI7

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/UWE6NPI7QOHNKEURVANEAAMFE7 \
  | 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: a589e6bd1f838ed51291a81a40018527d4857231e56cc14fa0877d156433a16b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "213a2a22637a11013c8126bb4e6e7481fd0f6309fe797af437a461198ce6cf7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-18T10:22:02Z",
    "title_canon_sha256": "a0873e94590348a10bd6f60875e83d4304fb25de623f154efff9a7252aea5193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4893",
    "kind": "arxiv",
    "version": 1
  }
}