Pith Number

pith:PTHBBQDM

pith:2010:PTHBBQDMITVV7B2V5VPQXL4PYM

not attested not anchored not stored refs pending

Generalized Milankovitch Cycles and Longterm Climatic Habitability

(2) Universite de Bordeaux, (3) Columbia University, (4) UCLA), Caleb A. Scharf (3), Courtney D. Dressing (1), David S. Spiegel (1), Jonathan L. Mitchell (4) ((1) Princeton University, Sean N. Raymond (2)

arxiv:1002.4877 v2 · 2010-02-25 · 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{PTHBBQDMITVV7B2V5VPQXL4PYM}

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	2026-05-18T02:08:56.644371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cce10c06c44eb5f8755ed5f0baf8fc324d0b68aca058954378bf2d2bea0425d

Aliases

arxiv: 1002.4877 · arxiv_version: 1002.4877v2 · doi: 10.48550/arxiv.1002.4877 · pith_short_12: PTHBBQDMITVV · pith_short_16: PTHBBQDMITVV7B2V · pith_short_8: PTHBBQDM

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/PTHBBQDMITVV7B2V5VPQXL4PYM \
  | 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: 7cce10c06c44eb5f8755ed5f0baf8fc324d0b68aca058954378bf2d2bea0425d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e7832ed5cd0819e75e26f63b5214a4d1a2b72767c679c3acfc71a7b67f1f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-02-25T21:15:47Z",
    "title_canon_sha256": "82d8026f891d3a637226e00c0207ec78ad6f325099f7a57a680209045986c67a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4877",
    "kind": "arxiv",
    "version": 2
  }
}