Pith Number

pith:OC4WFI25

pith:2021:OC4WFI25QZEYFYOWAX2KKRSLGI

not attested not anchored not stored refs pending

Topics on Pedal Polygons

Chen-Rui Liu, Chia-An Hsu, Chih-Hsuan Liang, Hsin-Chuang Chou, Yu-Wei Chang

arxiv:2108.08293 v1 · 2021-08-14 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC4WFI25QZEYFYOWAX2KKRSLGI}

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	2026-07-05T03:07:08.312886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b962a35d864982e1d605f4a5464b3220b3e9bf24ac379e4fa0f5893056e041

Aliases

arxiv: 2108.08293 · arxiv_version: 2108.08293v1 · doi: 10.48550/arxiv.2108.08293 · pith_short_12: OC4WFI25QZEY · pith_short_16: OC4WFI25QZEYFYOW · pith_short_8: OC4WFI25

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/OC4WFI25QZEYFYOWAX2KKRSLGI \
  | 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: 70b962a35d864982e1d605f4a5464b3220b3e9bf24ac379e4fa0f5893056e041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "481229c8d1e66d62186b21bd3d7cf84c0f8ed50fdb7d7a417cfc64ccb8324cbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2021-08-14T20:40:25Z",
    "title_canon_sha256": "b3ef6a482cbe8649216c22e28fd8e452cef40d8538901a68ba6a7fa6e9b6ad47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08293",
    "kind": "arxiv",
    "version": 1
  }
}