Pith Number

pith:Q4LD3KPU

pith:2016:Q4LD3KPU6TWZG23BDMLTAPB7MD

not attested not anchored not stored refs pending

The fossil wind structures of Eta Carinae: changes across on 5.54-year cycle

Anthony F. J. Moffat, Augusto Damineli, D. John Hiller, Don Lindler, Gerd Weigelt, Jose H. Groh, Keith Feggans, Kenji Hamaguchi, Mairan Teodoro, Michael Corcoran, Nicola Clementel, Noel D. Richardson, Theodore R. Gull, Thomas I. Madura

arxiv:1608.06193 v1 · 2016-08-22 · 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{Q4LD3KPU6TWZG23BDMLTAPB7MD}

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	2026-05-18T01:05:41.826818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87163da9f4f4ed936b611b17303c3f60d0ebbb4760116dd659abeffb321a0d30

Aliases

arxiv: 1608.06193 · arxiv_version: 1608.06193v1 · doi: 10.48550/arxiv.1608.06193 · pith_short_12: Q4LD3KPU6TWZ · pith_short_16: Q4LD3KPU6TWZG23B · pith_short_8: Q4LD3KPU

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/Q4LD3KPU6TWZG23BDMLTAPB7MD \
  | 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: 87163da9f4f4ed936b611b17303c3f60d0ebbb4760116dd659abeffb321a0d30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8116116df49dae1e08f3dfe66dac9ebff02709811bac827fd3e0fa7db3921171",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-22T15:27:02Z",
    "title_canon_sha256": "b3b2b7b883e80efcedd09ec36b64ce62c80bdf807614988a18269ba78b3a9770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06193",
    "kind": "arxiv",
    "version": 1
  }
}