Pith Number

pith:A327T2X6

pith:2013:A327T2X6WDEPVQEA2P2TLSVOFQ

not attested not anchored not stored refs pending

Evolution and fate of very massive stars

Cyril Georgy, Georges Meynet, Hasan Abu Kassim, Norhasliza Yusof, Olivier Schnurr, Paul A. Crowther, Raphael Hirschi, Sylvia Ekstrom, Urs Frischknecht

arxiv:1305.2099 v1 · 2013-05-09 · 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{A327T2X6WDEPVQEA2P2TLSVOFQ}

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	2026-05-18T03:26:09.366272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f5f9eafeb0c8fac080d3f535caae2c2d10ce741b06856b118368f16b5305b7

Aliases

arxiv: 1305.2099 · arxiv_version: 1305.2099v1 · doi: 10.48550/arxiv.1305.2099 · pith_short_12: A327T2X6WDEP · pith_short_16: A327T2X6WDEPVQEA · pith_short_8: A327T2X6

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/A327T2X6WDEPVQEA2P2TLSVOFQ \
  | 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: 06f5f9eafeb0c8fac080d3f535caae2c2d10ce741b06856b118368f16b5305b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecac9232051c34350f441eb9d511c12a02886c4f22899b91579c83a6360a8919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-09T14:09:21Z",
    "title_canon_sha256": "b1886eebc3eddb6bc546dc7d9fcd468a31143c6a9d8e3042db78835435c3b8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2099",
    "kind": "arxiv",
    "version": 1
  }
}