Pith Number

pith:JK636CLG

pith:2007:JK636CLGILYMJPIYGVOXG27JG7

not attested not anchored not stored refs pending

The evolution of very massive stars

D. Vanbeveren, H. Belkus, J. Van Bever

arxiv:astro-ph/0701334 v1 · 2007-01-11 · 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{JK636CLGILYMJPIYGVOXG27JG7}

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	2026-05-18T04:29:07.438557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4abdbf096642f0c4bd18355d736be937e2194c27c2bba0ede12ee7cd0965a5ee

Aliases

arxiv: astro-ph/0701334 · arxiv_version: astro-ph/0701334v1 · doi: 10.48550/arxiv.astro-ph/0701334 · pith_short_12: JK636CLGILYM · pith_short_16: JK636CLGILYMJPIY · pith_short_8: JK636CLG

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/JK636CLGILYMJPIYGVOXG27JG7 \
  | 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: 4abdbf096642f0c4bd18355d736be937e2194c27c2bba0ede12ee7cd0965a5ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f5be269a7a901a303a0770a63e7e354754132754abe2c065a14d36b8b51f34",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-11T14:40:23Z",
    "title_canon_sha256": "b9bdf36d04a9ba58d26c28036a5a53a5a5e57cb2a50d342183a9bf7e95e8f78f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701334",
    "kind": "arxiv",
    "version": 1
  }
}