Pith Number

pith:2SA3GR3S

pith:1999:2SA3GR3SFP4WJU375EV4YCTF7P

not attested not anchored not stored refs pending

On the nature of the bi-stability jump in the winds of early-type supergiants

(2) University of Amsterdam), Alex de Koter (2), Henny J. G. L. M. Lamers (1) ((1) Utrecht University, Jorick S. Vink (1)

arxiv:astro-ph/9908196 v1 · 1999-08-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SA3GR3SFP4WJU375EV4YCTF7P}

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.

Cited by

1 paper in Pith

Can current models predict the local black hole merger rate?

Receipt and verification

First computed	2026-07-04T14:17:03.058123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d481b347722bf964d37fe92bcc0a65fbc7a84bc8c036e5d0efd3f6f00c8d5f80

Aliases

arxiv: astro-ph/9908196 · arxiv_version: astro-ph/9908196v1 · doi: 10.48550/arxiv.astro-ph/9908196 · pith_short_12: 2SA3GR3SFP4W · pith_short_16: 2SA3GR3SFP4WJU37 · pith_short_8: 2SA3GR3S

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/2SA3GR3SFP4WJU375EV4YCTF7P \
  | 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: d481b347722bf964d37fe92bcc0a65fbc7a84bc8c036e5d0efd3f6f00c8d5f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ed1802749bcbd945265d8343a614cdad5e53a95425923ec248743a865705f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-08-18T09:30:04Z",
    "title_canon_sha256": "b1cf3c8c46d38427931db998925280b550fe70372adae1cb9b9b8ec992735060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9908196",
    "kind": "arxiv",
    "version": 1
  }
}