Pith Number

pith:NF2TWOEQ

pith:2000:NF2TWOEQ3O5CXRTM2RJAYH5YOB

not attested not anchored not stored refs pending

Evolutionary tracks and isochrones for alpha-enhanced stars

2), (2) MPA Garching), Achim Weiss (2), Bernardo Salasnich (1), Cesare Chiosi (1) ((1) Dip. Astro. Padova, Leo Girardi (1

arxiv:astro-ph/0007388 v1 · 2000-07-26 · 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{NF2TWOEQ3O5CXRTM2RJAYH5YOB}

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	2026-07-04T14:10:31.812916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69753b3890dbba2bc66cd4520c1fb87051065add21e754388cadefd00893a9b0

Aliases

arxiv: astro-ph/0007388 · arxiv_version: astro-ph/0007388v1 · doi: 10.48550/arxiv.astro-ph/0007388 · pith_short_12: NF2TWOEQ3O5C · pith_short_16: NF2TWOEQ3O5CXRTM · pith_short_8: NF2TWOEQ

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/NF2TWOEQ3O5CXRTM2RJAYH5YOB \
  | 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: 69753b3890dbba2bc66cd4520c1fb87051065add21e754388cadefd00893a9b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6482cd00668a98411cf99c4754dd63d224340e82bad722872906eba0595965b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-26T09:14:24Z",
    "title_canon_sha256": "2570de43fe8dea01acb08887aa9f284fe51d30fda97534043f98ccbb329bcf54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007388",
    "kind": "arxiv",
    "version": 1
  }
}