Pith Number

pith:3O6FXQFO

pith:2015:3O6FXQFOTH5LOCGX75TSBYVNBC

not attested not anchored not stored refs pending

A Catalog of Stellar Evolution Profiles and the Effects of Variable Composition on Habitable Systems

Alexander Spacek, Amanda Truitt, Jeremy Dietrich, Luke Probst, Patrick A. Young

arxiv:1504.02145 v3 · 2015-04-08 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3O6FXQFOTH5LOCGX75TSBYVNBC}

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	2026-05-18T00:54:48.270532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbbc5bc0ae99fab708d7ff6720e2ad08970c9f25d28b959b018c6af8d14e4e3f

Aliases

arxiv: 1504.02145 · arxiv_version: 1504.02145v3 · doi: 10.48550/arxiv.1504.02145 · pith_short_12: 3O6FXQFOTH5L · pith_short_16: 3O6FXQFOTH5LOCGX · pith_short_8: 3O6FXQFO

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/3O6FXQFOTH5LOCGX75TSBYVNBC \
  | 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: dbbc5bc0ae99fab708d7ff6720e2ad08970c9f25d28b959b018c6af8d14e4e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6180535cfd844e83c5fa4f4416e9dc0e17dc4551311c9b8b7aa7c34ec4a1ee7f",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-08T22:22:07Z",
    "title_canon_sha256": "6cd448748535feb4ca5608ee5befdd07406319832c92c9616b07fa0181d1ff74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02145",
    "kind": "arxiv",
    "version": 3
  }
}