Pith Number

pith:2AFN5NXM

pith:2013:2AFN5NXMUHT36F2LC6QN72PV53

not attested not anchored not stored refs pending

Four open questions in massive star evolution

Andre Maeder, Cyril Georgy, Georges Meynet, Hideyuki Saio, Jose Groh, Patrick Eggenberger, Sylvia Ekstrom, Takashi Moriya

arxiv:1308.5797 v1 · 2013-08-27 · 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{2AFN5NXMUHT36F2LC6QN72PV53}

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	2026-05-18T01:47:58.084685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d00adeb6eca1e7bf174b17a0dfe9f5eec38fbba3d0416123a8888c780eae763e

Aliases

arxiv: 1308.5797 · arxiv_version: 1308.5797v1 · doi: 10.48550/arxiv.1308.5797 · pith_short_12: 2AFN5NXMUHT3 · pith_short_16: 2AFN5NXMUHT36F2L · pith_short_8: 2AFN5NXM

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/2AFN5NXMUHT36F2LC6QN72PV53 \
  | 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: d00adeb6eca1e7bf174b17a0dfe9f5eec38fbba3d0416123a8888c780eae763e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b2a6dccfca07044b6374e94f0af660e29ccb923b014b98268f4aa880030724a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-27T08:39:35Z",
    "title_canon_sha256": "0f4da1fdb959f98161dde6c9ad2388e4ebe9d40a8ada1940499cf5ae79a04a3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5797",
    "kind": "arxiv",
    "version": 1
  }
}