Pith Number

pith:OK4DVO7D

pith:2014:OK4DVO7D5YFVNO4ICVDXO2D3KR

not attested not anchored not stored refs pending

Pre-LHB Evolution of the Earth's Obliquity

Gongjie Li, Konstantin Batygin

arxiv:1409.2881 v1 · 2014-09-09 · 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{OK4DVO7D5YFVNO4ICVDXO2D3KR}

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	2026-05-18T01:42:05.771538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72b83abbe3ee0b56bb88154777687b5464004335b6b3a4ab6320e068c81583b3

Aliases

arxiv: 1409.2881 · arxiv_version: 1409.2881v1 · doi: 10.48550/arxiv.1409.2881 · pith_short_12: OK4DVO7D5YFV · pith_short_16: OK4DVO7D5YFVNO4I · pith_short_8: OK4DVO7D

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/OK4DVO7D5YFVNO4ICVDXO2D3KR \
  | 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: 72b83abbe3ee0b56bb88154777687b5464004335b6b3a4ab6320e068c81583b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13c23df36e34b7bc183c892e86b11c392361f1346e1102480c390acbae3f56af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-09-09T20:00:24Z",
    "title_canon_sha256": "104e755ae7a1e1e8fa011f7e37e35467338da8f2b08945b3074863468731e997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2881",
    "kind": "arxiv",
    "version": 1
  }
}