Pith Number

pith:KKMY5OD4

pith:2003:KKMY5OD4LM5I2ORG7PJO4THPUV

not attested not anchored not stored refs pending

Massive Stars in Transition

Paul A. Crowther (UCL)

arxiv:astro-ph/0305141 v1 · 2003-05-08 · 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{KKMY5OD4LM5I2ORG7PJO4THPUV}

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	2026-05-18T01:40:38.932931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52998eb87c5b3a8d3a26fbd2ee4cefa57d5ba33910d63d97e16f8e21eadc7fdd

Aliases

arxiv: astro-ph/0305141 · arxiv_version: astro-ph/0305141v1 · doi: 10.48550/arxiv.astro-ph/0305141 · pith_short_12: KKMY5OD4LM5I · pith_short_16: KKMY5OD4LM5I2ORG · pith_short_8: KKMY5OD4

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/KKMY5OD4LM5I2ORG7PJO4THPUV \
  | 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: 52998eb87c5b3a8d3a26fbd2ee4cefa57d5ba33910d63d97e16f8e21eadc7fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b50388ae30db05e9d54aa45460b54a018b8a942cb7147d7ca76d41dd6a7d35bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-08T20:14:20Z",
    "title_canon_sha256": "ee656b12954a69acb8a1d576a4c3e76ca433e12f6ede0914ecc871d7fb1b9f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305141",
    "kind": "arxiv",
    "version": 1
  }
}