Pith Number

pith:ZFXESPJA

pith:2013:ZFXESPJA64I6C25GU2TEFZMFLH

not attested not anchored not stored refs pending

Exploring the faint young Sun problem and the possible climates of the Archean Earth with a 3-D GCM

Aymeric Spiga, Benjamin Charnay, Ehouarn Millour, Fran\c{c}ois Forget, Francis Codron, J\'er\'emy leconte, Robin Wordsworth

arxiv:1310.4286 v1 · 2013-10-16 · 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{ZFXESPJA64I6C25GU2TEFZMFLH}

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	2026-05-18T03:10:23.293596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c96e493d20f711e16ba6a6a642e58559d966de4dd5c29e8ce696c3b7ee0dc395

Aliases

arxiv: 1310.4286 · arxiv_version: 1310.4286v1 · doi: 10.48550/arxiv.1310.4286 · pith_short_12: ZFXESPJA64I6 · pith_short_16: ZFXESPJA64I6C25G · pith_short_8: ZFXESPJA

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/ZFXESPJA64I6C25GU2TEFZMFLH \
  | 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: c96e493d20f711e16ba6a6a642e58559d966de4dd5c29e8ce696c3b7ee0dc395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ab96593dc9bd4f0672024c5ce72556c051182edf162bb9aded5f2837293455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-16T07:38:00Z",
    "title_canon_sha256": "87a2ac721be64562351facfba7ed7d554ee8d1f7dd2e82e8a57453b25d2eb8d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4286",
    "kind": "arxiv",
    "version": 1
  }
}