Pith Number

pith:3HPJ22WN

pith:2020:3HPJ22WN3R3ORC6WE2TIWKSZSO

not attested not anchored not stored refs pending

SketchOpt: Sketch-based Parametric Model Retrieval for Generative Design

Chin-Yi Cheng, Clayton Hutson, Mehdi Nourbakhsh, Michael Bergin, Mohammad Keshavarzi, Mohammad Rahmani Asl

arxiv:2009.00261 v1 · 2020-09-01 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HPJ22WN3R3ORC6WE2TIWKSZSO}

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	2026-07-05T01:32:16.932274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9de9d6acddc76e88bd626a68b2a599381617a877972e7ec178f43822db4dcd2

Aliases

arxiv: 2009.00261 · arxiv_version: 2009.00261v1 · doi: 10.48550/arxiv.2009.00261 · pith_short_12: 3HPJ22WN3R3O · pith_short_16: 3HPJ22WN3R3ORC6W · pith_short_8: 3HPJ22WN

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/3HPJ22WN3R3ORC6WE2TIWKSZSO \
  | 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: d9de9d6acddc76e88bd626a68b2a599381617a877972e7ec178f43822db4dcd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be68fba879f21caac43e68e52649f2f863d8199b84762d31fd3918edc77a82e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2020-09-01T06:28:09Z",
    "title_canon_sha256": "d1414a063e0ee813036d5358070b90601983de0c7ee20bfe1e029a0172d78784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00261",
    "kind": "arxiv",
    "version": 1
  }
}