Pith Number

pith:DDV642CT

pith:2017:DDV642CTUALOLY5FNNFR6JOPSN

not attested not anchored not stored refs pending

Massive star formation by accretion II. Rotation: how to circumvent the angular momentum barrier?

Andr\'e Maeder, Corinne Charbonnel, Georges Meynet, Lionel Haemmerl\'e, Patrick Eggenberger, Ralf S. Klessen

arxiv:1703.08357 v1 · 2017-03-24 · 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{DDV642CTUALOLY5FNNFR6JOPSN}

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	2026-05-18T00:43:51.248952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ebee6853a016e5e3a56b4b1f25cf935524f7cad79fca5e6f84865eb3113ded

Aliases

arxiv: 1703.08357 · arxiv_version: 1703.08357v1 · doi: 10.48550/arxiv.1703.08357 · pith_short_12: DDV642CTUALO · pith_short_16: DDV642CTUALOLY5F · pith_short_8: DDV642CT

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/DDV642CTUALOLY5FNNFR6JOPSN \
  | 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: 18ebee6853a016e5e3a56b4b1f25cf935524f7cad79fca5e6f84865eb3113ded

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c45aabad027cbf335a4f4b8cc7a5369a918cc861b36e38f6d62df016a785da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-24T11:16:05Z",
    "title_canon_sha256": "308542ac43112bf03722bd65f307e53cc5046f1cb8f11a4fddc93b597400b91d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08357",
    "kind": "arxiv",
    "version": 1
  }
}