Pith Number

pith:OLMWF4YW

pith:2013:OLMWF4YWHUTAG7DDYPV6UF4SUU

not attested not anchored not stored refs pending

Are Super-Luminous supernovae and Long GRBs produced exclusively in young dense star clusters?

Edward P. J. van den Heuvel (Amsterdam), Simon Portegies Zwart (Sterrewacht Leiden)

arxiv:1303.6961 v2 · 2013-03-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLMWF4YWHUTAG7DDYPV6UF4SUU}

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	2026-05-18T01:50:51.768542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72d962f3163d26037c63c3ebea1792a500bfd737af0d2aee942991a80f50dc47

Aliases

arxiv: 1303.6961 · arxiv_version: 1303.6961v2 · doi: 10.48550/arxiv.1303.6961 · pith_short_12: OLMWF4YWHUTA · pith_short_16: OLMWF4YWHUTAG7DD · pith_short_8: OLMWF4YW

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/OLMWF4YWHUTAG7DDYPV6UF4SUU \
  | 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: 72d962f3163d26037c63c3ebea1792a500bfd737af0d2aee942991a80f50dc47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56ec59d016634bdee9d7ebe2367cdd3c0130eddd2b81488fd07c55d0f7eddf1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-27T20:00:12Z",
    "title_canon_sha256": "ee04f927dabdf4b3cc50e334b3c26c0822f8929a9fca1e6fee118a243032d613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6961",
    "kind": "arxiv",
    "version": 2
  }
}