Pith Number

pith:QY3R7PRW

pith:2018:QY3R7PRWOYEKW7XAV5GFRXUAZK

not attested not anchored not stored refs pending

CADbots: Algorithmic Aspects of Manipulating Programmable Matter with Finite Automata

Arne Schmidt, Christian Scheffer, Phillip Keldenich, Robert Gmyr, Sabrina Hugo, S\'andor P. Fekete

arxiv:1810.06360 v1 · 2018-10-15 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QY3R7PRWOYEKW7XAV5GFRXUAZK}

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	2026-05-18T00:03:20.723407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86371fbe367608ab7ee0af4c58de80cab698caea7040282a326adfd3d00202c6

Aliases

arxiv: 1810.06360 · arxiv_version: 1810.06360v1 · doi: 10.48550/arxiv.1810.06360 · pith_short_12: QY3R7PRWOYEK · pith_short_16: QY3R7PRWOYEKW7XA · pith_short_8: QY3R7PRW

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/QY3R7PRWOYEKW7XAV5GFRXUAZK \
  | 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: 86371fbe367608ab7ee0af4c58de80cab698caea7040282a326adfd3d00202c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d149d6df5ac4d43c1d33ae1e6d44e244105a1dd80912bee63e4a045fc01a98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-15T14:11:59Z",
    "title_canon_sha256": "a8527e41c23e276de650446a8ea61fa77de43f3be081b97342a01a19d127102f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06360",
    "kind": "arxiv",
    "version": 1
  }
}