Pith Number

pith:2YF3HBX3

pith:2008:2YF3HBX3CCKHYV3UW5NRK44PQC

not attested not anchored not stored refs pending

Analytical and numerical aspects on motion of polygonal curves with constant area speed

Masato Kimura, Michal Benes, Shigetoshi Yazaki

arxiv:0802.2204 v3 · 2008-02-15 · math.NA · cs.NA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YF3HBX3CCKHYV3UW5NRK44PQC}

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	2026-06-03T22:06:04.512031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d60bb386fb10947c5774b75b15738f8087614705787a72d528250108a3dbaad0

Aliases

arxiv: 0802.2204 · arxiv_version: 0802.2204v3 · doi: 10.48550/arxiv.0802.2204 · pith_short_12: 2YF3HBX3CCKH · pith_short_16: 2YF3HBX3CCKHYV3U · pith_short_8: 2YF3HBX3

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/2YF3HBX3CCKHYV3UW5NRK44PQC \
  | 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: d60bb386fb10947c5774b75b15738f8087614705787a72d528250108a3dbaad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a589284ea8f3bc34132d8115fc46905ab5ae8528db3d9088a1c27735382b6d6",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2008-02-15T14:24:40Z",
    "title_canon_sha256": "ebf4d38093c760b82b99acd835937ab1d5378fc22e252b02add2e3e0d2375337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.2204",
    "kind": "arxiv",
    "version": 3
  }
}