Pith Number

pith:UCJRSMAE

pith:2004:UCJRSMAELSUS5JUA5VBGYR5KAA

not attested not anchored not stored refs pending

The convective Urca process

C. A. Tout, Ph. Podsiadlowski, P. Lesaffre

arxiv:astro-ph/0411017 v1 · 2004-10-31 · 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{UCJRSMAELSUS5JUA5VBGYR5KAA}

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	2026-05-18T01:07:32.003259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0931930045ca92ea680ed426c47aa002929a5a19e73065520ff84c9c762958c

Aliases

arxiv: astro-ph/0411017 · arxiv_version: astro-ph/0411017v1 · doi: 10.48550/arxiv.astro-ph/0411017 · pith_short_12: UCJRSMAELSUS · pith_short_16: UCJRSMAELSUS5JUA · pith_short_8: UCJRSMAE

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/UCJRSMAELSUS5JUA5VBGYR5KAA \
  | 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: a0931930045ca92ea680ed426c47aa002929a5a19e73065520ff84c9c762958c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a52a86be04417e5a91cc348f8aba823d2585fe49d33834f4edd7971d19ccddc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-31T11:47:18Z",
    "title_canon_sha256": "88ce3fa1eec13bc87baa174c905d665c879d5aff071abdb51d3c593fbf66b825"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411017",
    "kind": "arxiv",
    "version": 1
  }
}