Pith Number

pith:T2G7GAWG

pith:2013:T2G7GAWG4TAQGIX42TP3AFY7IF

not attested not anchored not stored refs pending

The VLT-FLAMES Tarantula Survey. XIII: On the nature of O Vz stars in 30 Doradus

A. de Koter, A. Herrero, C. J. Evans, C. Sab\'in-Sanjuli\'an, F. Najarro, H. Sana, I. Brott, J. Ma\'iz Apell\'aniz, J. Puls, J. S. Vink, M. Garcia, N. Markova, N. R. Walborn, O. H. Ram\'irez-Agudelo, S. Sim\'on-D\'iaz, W. D. Taylor

arxiv:1312.3278 v1 · 2013-12-11 · 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{T2G7GAWG4TAQGIX42TP3AFY7IF}

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	2026-05-18T01:45:51.529721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e8df302c6e4c10322fcd4dfb0171f415d979cd185b04ec4ee56b111159b338d

Aliases

arxiv: 1312.3278 · arxiv_version: 1312.3278v1 · doi: 10.48550/arxiv.1312.3278 · pith_short_12: T2G7GAWG4TAQ · pith_short_16: T2G7GAWG4TAQGIX4 · pith_short_8: T2G7GAWG

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/T2G7GAWG4TAQGIX42TP3AFY7IF \
  | 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: 9e8df302c6e4c10322fcd4dfb0171f415d979cd185b04ec4ee56b111159b338d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf4279d70ce6d72624b0d6f5776ae04f2f568c379321006d1c52a805dea4bc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-11T19:02:01Z",
    "title_canon_sha256": "fabbd3c69831099c308d27f5a19e5544e34375d62b973d361eb75ef07960db8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3278",
    "kind": "arxiv",
    "version": 1
  }
}