Pith Number

pith:FTD2HOYD

pith:2018:FTD2HOYDIG7QYCNKO3BW4YPRY7

not attested not anchored not stored refs pending

Search for stellar spots in field blue horizontal-branch stars

E. A. Semenko, E. Paunzen, I. A. Yakunin, J. Janik, K. Bernhard, S. Huemmerich

arxiv:1812.07543 v1 · 2018-12-18 · 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{FTD2HOYDIG7QYCNKO3BW4YPRY7}

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	2026-05-17T23:55:10.480148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc7a3bb0341bf0c09aa76c36e61f1c7f778b6dc635a2b98b7dcbef0d14e7e43

Aliases

arxiv: 1812.07543 · arxiv_version: 1812.07543v1 · doi: 10.48550/arxiv.1812.07543 · pith_short_12: FTD2HOYDIG7Q · pith_short_16: FTD2HOYDIG7QYCNK · pith_short_8: FTD2HOYD

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/FTD2HOYDIG7QYCNKO3BW4YPRY7 \
  | 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: 2cc7a3bb0341bf0c09aa76c36e61f1c7f778b6dc635a2b98b7dcbef0d14e7e43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ce8941ac4a601b14991d74ce48073bfcb6f449a5bc5434eeae9cd5f23c29525",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-18T18:19:49Z",
    "title_canon_sha256": "7a31ad30b0b7ce7482e921b078dd285fd3b8ca72af583775826cbd39263863c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07543",
    "kind": "arxiv",
    "version": 1
  }
}