Pith Number

pith:UGQRC6AR

pith:2015:UGQRC6ARWJTX357ICBC25OD4QM

not attested not anchored not stored refs pending

Computing in continuous space with self-assembling polygonal tiles

Jacob Hendricks, Matthew J. Patitz, Oscar Gilbert, Trent A. Rogers

arxiv:1503.00327 v2 · 2015-03-01 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGQRC6ARWJTX357ICBC25OD4QM}

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	2026-05-18T01:35:04.873629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1a1117811b2677df7e81045aeb87c83198840feac90be1e12e8f826eb557fd8

Aliases

arxiv: 1503.00327 · arxiv_version: 1503.00327v2 · doi: 10.48550/arxiv.1503.00327 · pith_short_12: UGQRC6ARWJTX · pith_short_16: UGQRC6ARWJTX357I · pith_short_8: UGQRC6AR

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/UGQRC6ARWJTX357ICBC25OD4QM \
  | 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: a1a1117811b2677df7e81045aeb87c83198840feac90be1e12e8f826eb557fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b39a2004efaba41a8ffa7cd102e0ce5831e45971bb8734064bbd9d9a3e7a775e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-03-01T18:47:24Z",
    "title_canon_sha256": "39b286f78fd87655fe034735535dc987638d21e84bb80210aa032737f64d5305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00327",
    "kind": "arxiv",
    "version": 2
  }
}