Pith Number

pith:G53QN6RX

pith:2015:G53QN6RXBYV5UXZEJYM36BPII4

not attested not anchored not stored refs pending

The Discovery and Physical Parameterization of a New Type of Wolf-Rayet Star

D. J. Hillier, K. F. Neugent, N. I. Morrell, P. Massey

arxiv:1507.07154 v2 · 2015-07-25 · 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{G53QN6RXBYV5UXZEJYM36BPII4}

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	2026-05-18T01:35:37.953388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

377706fa370e2bda5f244e19bf05e8470bef721e62b22c70e06f2e2a43d2ac48

Aliases

arxiv: 1507.07154 · arxiv_version: 1507.07154v2 · doi: 10.48550/arxiv.1507.07154 · pith_short_12: G53QN6RXBYV5 · pith_short_16: G53QN6RXBYV5UXZE · pith_short_8: G53QN6RX

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/G53QN6RXBYV5UXZEJYM36BPII4 \
  | 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: 377706fa370e2bda5f244e19bf05e8470bef721e62b22c70e06f2e2a43d2ac48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d94df668e33576def68c4c19fd6dbb03829cb5b6997ebe20fa72c91bd4f6870c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-25T23:50:02Z",
    "title_canon_sha256": "9ea5a2ca2e1f269249c235a55d714577ee2027035d1d848012a64e1594edacb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07154",
    "kind": "arxiv",
    "version": 2
  }
}