Pith Number

pith:WHEPUQOM

pith:2014:WHEPUQOMJG3XAVV5KTCOZFUCRZ

not attested not anchored not stored refs pending

Fast algorithmic self-assembly of simple shapes using random agitation

Chris Thachuk, Chun-Tao Yang, Damien Woods, David Doty, Dhiraj Holden, Ho-Lin Chen

arxiv:1409.4828 v1 · 2014-09-16 · cs.DS · cs.CC · 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{WHEPUQOMJG3XAVV5KTCOZFUCRZ}

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	2026-05-18T02:42:38.586969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c8fa41cc49b77056bd54c4ec96828e5a1fcb56f8182e7aed302412b50eaf9b

Aliases

arxiv: 1409.4828 · arxiv_version: 1409.4828v1 · doi: 10.48550/arxiv.1409.4828 · pith_short_12: WHEPUQOMJG3X · pith_short_16: WHEPUQOMJG3XAVV5 · pith_short_8: WHEPUQOM

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/WHEPUQOMJG3XAVV5KTCOZFUCRZ \
  | 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: b1c8fa41cc49b77056bd54c4ec96828e5a1fcb56f8182e7aed302412b50eaf9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3943d934ce494ba0002bc4db26f2f24eaed62ff868cb3b8a405810c9d9b9d922",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-09-16T23:14:27Z",
    "title_canon_sha256": "5839fa39919317fbacd5e426dc19ff7860a583a64949ad790453ff25be6f7620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4828",
    "kind": "arxiv",
    "version": 1
  }
}