Pith Number

pith:WYAQYJL6

pith:2013:WYAQYJL6YPRZ5RAPZUBHDVWXT4

not attested not anchored not stored refs pending

Very Massive Stars (VMS) in the Local Universe

A. Daminelli, A. Herrero, Alexander Heger, A.-N. Chene, A. Roman-Lopes, A. Rosen, A. Sander, A. Wofford, D. Vanbeveren, F. Najarro, F. Tramper, G. Grafener, J. H. Groh, Joachim Puls, Jorick S. Vink (Armagh Observatory), K.-J. Chen, L. Kaper, L. M. Oskinova, Mark R. Krumholz, M. Shirazi, N. Castro, P.A. Crowther, R. Voss, S. Banerjee, S. Heap, W.-R. Hamann, Y. Sugawara, Y. Zhang (and the other participants of Joint Discussion 2 IAU-GA)

arxiv:1302.2021 v2 · 2013-02-08 · astro-ph.SR · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYAQYJL6YPRZ5RAPZUBHDVWXT4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:03:53.731846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6010c257ec3e39ec40fcd0271d6d79f2614599190656aa9164f18835f3ae3d5

Aliases

arxiv: 1302.2021 · arxiv_version: 1302.2021v2 · doi: 10.48550/arxiv.1302.2021 · pith_short_12: WYAQYJL6YPRZ · pith_short_16: WYAQYJL6YPRZ5RAP · pith_short_8: WYAQYJL6

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/WYAQYJL6YPRZ5RAPZUBHDVWXT4 \
  | 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: b6010c257ec3e39ec40fcd0271d6d79f2614599190656aa9164f18835f3ae3d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "200800a88205e242cbb155da1244e4444afb27a597953d3e4c33d1ab5506900f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-08T12:59:24Z",
    "title_canon_sha256": "35cb3f375bf1858de01f774cc2917018ad77f09075c26a0d74bc609d4c62310f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2021",
    "kind": "arxiv",
    "version": 2
  }
}