Pith Number

pith:EWKVRN55

pith:2013:EWKVRN55Y6ARSKNNCJYOKUXHPQ

not attested not anchored not stored refs pending

Detection of the compressed primary stellar wind in eta Carinae

K. Hamaguchi, M. F. Corcoran, M. Teodoro, T. I. Madura, T. R. Gull

arxiv:1307.3244 v2 · 2013-07-11 · 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{EWKVRN55Y6ARSKNNCJYOKUXHPQ}

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	2026-05-18T01:48:51.473577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

259558b7bdc7811929ad1270e552e77c37a2f1e84978563cf387d97078d2a3c3

Aliases

arxiv: 1307.3244 · arxiv_version: 1307.3244v2 · doi: 10.48550/arxiv.1307.3244 · pith_short_12: EWKVRN55Y6AR · pith_short_16: EWKVRN55Y6ARSKNN · pith_short_8: EWKVRN55

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/EWKVRN55Y6ARSKNNCJYOKUXHPQ \
  | 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: 259558b7bdc7811929ad1270e552e77c37a2f1e84978563cf387d97078d2a3c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e244dc97483de5cd83ff59e0d14d3d209572bf1c9fc9bf4c99cd20fab83fa41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-11T20:00:00Z",
    "title_canon_sha256": "2b080d9cc162d8e2ea88f6588acfc09ee834825b2120e5ecc84d3077501e4026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3244",
    "kind": "arxiv",
    "version": 2
  }
}