Pith Number

pith:4NA6J7U3

pith:2013:4NA6J7U3FWL65JMOZQQN6DHELD

not attested not anchored not stored refs pending

Pulsations as a mass-loss trigger in evolved hot stars

Dieter H. Nickeler, Lydia Cidale, Marcelo Borges Fernandes, Maximiliano Haucke, Michaela Kraus, Michel Cure, Roberto Venero, Sanja Tomic

arxiv:1309.4904 v1 · 2013-09-19 · 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{4NA6J7U3FWL65JMOZQQN6DHELD}

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	2026-05-18T01:47:35.568711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e341e4fe9b2d97eea58ecc20df0ce458c13841400c84ca26985fbac8e3999c4d

Aliases

arxiv: 1309.4904 · arxiv_version: 1309.4904v1 · doi: 10.48550/arxiv.1309.4904 · pith_short_12: 4NA6J7U3FWL6 · pith_short_16: 4NA6J7U3FWL65JMO · pith_short_8: 4NA6J7U3

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/4NA6J7U3FWL65JMOZQQN6DHELD \
  | 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: e341e4fe9b2d97eea58ecc20df0ce458c13841400c84ca26985fbac8e3999c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dc0d4d3b4874a799a0013f934ac62101e6b5a5247863c2d2a935b5341ac5329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-19T09:16:15Z",
    "title_canon_sha256": "b2348a7e92723fb48c3debd5af69bc91d1c597e5ff844905f2018932a3378532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4904",
    "kind": "arxiv",
    "version": 1
  }
}