Pith Number

pith:CDTYSA7L

pith:2014:CDTYSA7LSRWDYMQ2VKZF525TOU

not attested not anchored not stored refs pending

On the Spin-axis Dynamics of a Moonless Earth

Gongjie Li, Konstantin Batygin

arxiv:1404.7505 v1 · 2014-04-29 · 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{CDTYSA7LSRWDYMQ2VKZF525TOU}

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	2026-05-18T01:43:21.711974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e78903eb946c3c321aaab25eebb3751d7590a0aa398c54f17330bf9a0dcb35

Aliases

arxiv: 1404.7505 · arxiv_version: 1404.7505v1 · doi: 10.48550/arxiv.1404.7505 · pith_short_12: CDTYSA7LSRWD · pith_short_16: CDTYSA7LSRWDYMQ2 · pith_short_8: CDTYSA7L

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/CDTYSA7LSRWDYMQ2VKZF525TOU \
  | 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: 10e78903eb946c3c321aaab25eebb3751d7590a0aa398c54f17330bf9a0dcb35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe16b15101d8deffdb277252c791ed195b01371e8dfbd88241d8d518c8023c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-04-29T20:00:16Z",
    "title_canon_sha256": "470626a5b7bb28f7c1d24c2fee325d82b39da6bd69eea348121fe2732aa317b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7505",
    "kind": "arxiv",
    "version": 1
  }
}