Pith Number

pith:6DSL2YOB

pith:2011:6DSL2YOBFC7R2L473DEMUIZ32W

not attested not anchored not stored refs pending

Wind structure and luminosity variations in the WR/LBV HD 5980

D John Hillier, Gloria Koenigsberger, Leonid N Georgiev, Nidia Morrell, Roberto Gamen, Rodolfo Barba

arxiv:1109.5942 v1 · 2011-09-27 · 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{6DSL2YOBFC7R2L473DEMUIZ32W}

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	2026-05-18T04:12:10.968340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0e4bd61c128bf1d2f9fd8c8ca233bd5a7c86dbac2608837ddfa0aa5bb2ea413

Aliases

arxiv: 1109.5942 · arxiv_version: 1109.5942v1 · doi: 10.48550/arxiv.1109.5942 · pith_short_12: 6DSL2YOBFC7R · pith_short_16: 6DSL2YOBFC7R2L47 · pith_short_8: 6DSL2YOB

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/6DSL2YOBFC7R2L473DEMUIZ32W \
  | 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: f0e4bd61c128bf1d2f9fd8c8ca233bd5a7c86dbac2608837ddfa0aa5bb2ea413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5e9d1f01daf1baa3c8c631dea6ae90fe5b6d89ca1c2c6716a3db9fb45916e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-27T15:48:58Z",
    "title_canon_sha256": "11b5b8b53f039e126c5ab0fda9f308b0dcd6ab537f994ccb9dff8c3054b8ed63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5942",
    "kind": "arxiv",
    "version": 1
  }
}