Pith Number

pith:5K6S3ET3

pith:2013:5K6S3ET3J5WBSZVMWSFPLP63CD

not attested not anchored not stored refs pending

Variable rotational line broadening in the Be star Achernar

A.C. Carciofi, D. Baade, R.H.D. Townsend, S. \v{S}tefl, Th. Rivinius

arxiv:1309.7286 v1 · 2013-09-27 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:47:25.476498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eabd2d927b4f6c1966acb48af5bfdb10f333c4652eb08cfd5994dbb02110253c

Aliases

arxiv: 1309.7286 · arxiv_version: 1309.7286v1 · doi: 10.48550/arxiv.1309.7286 · pith_short_12: 5K6S3ET3J5WB · pith_short_16: 5K6S3ET3J5WBSZVM · pith_short_8: 5K6S3ET3

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/5K6S3ET3J5WBSZVMWSFPLP63CD \
  | 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: eabd2d927b4f6c1966acb48af5bfdb10f333c4652eb08cfd5994dbb02110253c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662878e65c121a4daa37af5fb0cba7b86c7a6317e66bc0e1bca88048c1c35229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-27T16:14:44Z",
    "title_canon_sha256": "814bcab33eabdcceb096e5e86bee75fd06dc1535083fbaa99cd40e2f13d34cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7286",
    "kind": "arxiv",
    "version": 1
  }
}