Pith Number

pith:XAXE4XYX

pith:2010:XAXE4XYX36VJ4LUPPKIFHH6UEY

not attested not anchored not stored refs pending

Do Wolf-Rayet stars have similar locations in hosts as type Ib/c supernovae and long gamma-ray bursts?

2), (2) Stockholm Obs., (3) Univ. Warwick, 4) ((1) DARK, (4) UCSC), A. J. Levan (3), D. Malesani (1), G. Leloudas (1), J. P. U. Fynbo (1), J. R. Maund (1, J. Sollerman (1

arxiv:1002.3164 v2 · 2010-02-17 · 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{XAXE4XYX36VJ4LUPPKIFHH6UEY}

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	2026-05-18T04:35:46.913972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b82e4e5f17dfaa9e2e8f7a90539fd42628a569d122976a48441fea0061c6bad2

Aliases

arxiv: 1002.3164 · arxiv_version: 1002.3164v2 · doi: 10.48550/arxiv.1002.3164 · pith_short_12: XAXE4XYX36VJ · pith_short_16: XAXE4XYX36VJ4LUP · pith_short_8: XAXE4XYX

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/XAXE4XYX36VJ4LUPPKIFHH6UEY \
  | 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: b82e4e5f17dfaa9e2e8f7a90539fd42628a569d122976a48441fea0061c6bad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde05a917c1925ccaeedfa2715553df24b63a88c76053cb54e6f27be6f246108",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-17T11:36:44Z",
    "title_canon_sha256": "359e7c5f9a086f4c8da12b5f90765911c9fa1aeedde955fe3757e5696764142c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3164",
    "kind": "arxiv",
    "version": 2
  }
}