Pith Number

pith:2XPSA54X

pith:2012:2XPSA54XBLTQ57FXN33MHFSSMZ

not attested not anchored not stored refs pending

Rotating Wolf-Rayet stars in a post RSG/LBV phase. An evolutionary channel towards long-duration GRBs?

G. Gr\"afener, J. S. Vink, N. Langer, T. J. Harries

arxiv:1210.1153 v2 · 2012-10-03 · 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{2XPSA54XBLTQ57FXN33MHFSSMZ}

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	2026-05-18T01:54:11.015197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5df2077970ae70efcb76ef6c396526654d8b8942da4a094c542628f965cc87b

Aliases

arxiv: 1210.1153 · arxiv_version: 1210.1153v2 · doi: 10.48550/arxiv.1210.1153 · pith_short_12: 2XPSA54XBLTQ · pith_short_16: 2XPSA54XBLTQ57FX · pith_short_8: 2XPSA54X

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/2XPSA54XBLTQ57FXN33MHFSSMZ \
  | 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: d5df2077970ae70efcb76ef6c396526654d8b8942da4a094c542628f965cc87b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29b552b98b127d7015db954689e1da8bf07949682b7bff108f16f41e76fc2d66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-03T15:45:00Z",
    "title_canon_sha256": "470b04048b1c1e17adadae13cd94efe445f03230b5bed1be7172cbbd4a51a1de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1153",
    "kind": "arxiv",
    "version": 2
  }
}