Pith Number

pith:IQI5RAS7

pith:2011:IQI5RAS7EHPMBIX5K5DJRNSFVD

not attested not anchored not stored refs pending

Synchronization of Huygens' clocks and the Poincare method

Sergiy Koshkin, Vojin Jovanovic

arxiv:1112.4545 v1 · 2011-12-20 · math-ph · math.DS · math.MP · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQI5RAS7EHPMBIX5K5DJRNSFVD}

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	2026-05-18T03:40:14.334250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4411d8825f21dec0a2fd574698b645a8c422aa2977656c48f12b3467af416689

Aliases

arxiv: 1112.4545 · arxiv_version: 1112.4545v1 · doi: 10.48550/arxiv.1112.4545 · pith_short_12: IQI5RAS7EHPM · pith_short_16: IQI5RAS7EHPMBIX5 · pith_short_8: IQI5RAS7

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/IQI5RAS7EHPMBIX5K5DJRNSFVD \
  | 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: 4411d8825f21dec0a2fd574698b645a8c422aa2977656c48f12b3467af416689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aec7f1780a4a72166790131e75542057d62bec1fdde3888a2ae9f600afa32db6",
    "cross_cats_sorted": [
      "math.DS",
      "math.MP",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-12-20T02:05:58Z",
    "title_canon_sha256": "464fdfc03fbb76a45e6e68b67c99340b7f4f0b88eeafbb5e0bc4b721217359b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4545",
    "kind": "arxiv",
    "version": 1
  }
}