Pith Number

pith:HOHWQYSX

pith:2021:HOHWQYSX6Q5YBQSP3OLLBV52HE

not attested not anchored not stored refs pending

Inferring CAD Modeling Sequences Using Zone Graphs

Chin-Yi Cheng, Daniel Ritchie, Karl D.D. Willis, Wenzhe Peng, Xianghao Xu

arxiv:2104.03900 v2 · 2021-03-30 · cs.CG · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HOHWQYSX6Q5YBQSP3OLLBV52HE}

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	2026-07-05T02:33:58.701401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8f686257f43b80c24fdb96b0d7ba3906ac73a908916c4335d842738dad86ef

Aliases

arxiv: 2104.03900 · arxiv_version: 2104.03900v2 · doi: 10.48550/arxiv.2104.03900 · pith_short_12: HOHWQYSX6Q5Y · pith_short_16: HOHWQYSX6Q5YBQSP · pith_short_8: HOHWQYSX

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/HOHWQYSX6Q5YBQSP3OLLBV52HE \
  | 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: 3b8f686257f43b80c24fdb96b0d7ba3906ac73a908916c4335d842738dad86ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3627fc55fd8a0dd06c057db7b9d01ba8621813b2c55707a8c3b1ca0409785ec6",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-03-30T05:55:59Z",
    "title_canon_sha256": "98b75264a809f2fbc653634a8669f3f835e52a8d17b213edfe2bd1f2750d8d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03900",
    "kind": "arxiv",
    "version": 2
  }
}