Pith Number

pith:F76RJJ2V

pith:2018:F76RJJ2VCS7VFXYB74BK6J64VZ

not attested not anchored not stored refs pending

On the parallelization of stellar evolution codes

David Martin (UPC, IEEC), Jordi Jose (UPC, Richard Longland (UNCS)

arxiv:1811.09191 v1 · 2018-11-22 · astro-ph.SR · astro-ph.IM · physics.comp-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{F76RJJ2VCS7VFXYB74BK6J64VZ}

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	2026-05-18T00:00:03.973261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ffd14a75514bf52df01ff02af27dcae4415ea8405a56fce179b64fdeaf6a267

Aliases

arxiv: 1811.09191 · arxiv_version: 1811.09191v1 · doi: 10.48550/arxiv.1811.09191 · pith_short_12: F76RJJ2VCS7V · pith_short_16: F76RJJ2VCS7VFXYB · pith_short_8: F76RJJ2V

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/F76RJJ2VCS7VFXYB74BK6J64VZ \
  | 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: 2ffd14a75514bf52df01ff02af27dcae4415ea8405a56fce179b64fdeaf6a267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daa04f66a0a4f474ef1436f2dbad0f88f68d0233051692676ee82902af26c0d5",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-22T14:27:34Z",
    "title_canon_sha256": "353b4f66ff1c3384804cc007bb0792dcbb215c338682fbe52231ac7d53d4a24a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09191",
    "kind": "arxiv",
    "version": 1
  }
}