Pith Number

pith:QDNIEGTB

pith:2018:QDNIEGTBWCJH4RRGPSHKGL76EB

not attested not anchored not stored refs pending

Bifurcation in the angular velocity of a circular disk propelled by symmetrically distributed camphor pills

Agnieszka Gorecka, Hiroyuki Kitahata, Jerzy Gorecki, Maciej Malecki, Marian Gryciuk, Nadejda Akulich, Yuki Koyano

arxiv:1809.07137 v3 · 2018-09-19 · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDNIEGTBWCJH4RRGPSHKGL76EB}

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	2026-05-17T23:55:28.932448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80da821a61b0927e46267c8ea32ffe205abb2f46c92c0eaf49fe535db509df49

Aliases

arxiv: 1809.07137 · arxiv_version: 1809.07137v3 · doi: 10.48550/arxiv.1809.07137 · pith_short_12: QDNIEGTBWCJH · pith_short_16: QDNIEGTBWCJH4RRG · pith_short_8: QDNIEGTB

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/QDNIEGTBWCJH4RRGPSHKGL76EB \
  | 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: 80da821a61b0927e46267c8ea32ffe205abb2f46c92c0eaf49fe535db509df49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2859a7384a3ec82dcaa5b94069478058e6922d242e42d481adc24ca1056fac8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2018-09-19T12:09:03Z",
    "title_canon_sha256": "136d5c1757b33b6692e334bceb7864dac77b4c66a7ce15e8a278276cf2dec404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07137",
    "kind": "arxiv",
    "version": 3
  }
}