Pith Number

pith:FTXLDKSW

pith:2017:FTXLDKSWONF3MKEJALYPRL3E2Z

not attested not anchored not stored refs pending

Folding Polyominoes into (Poly)Cubes

Adam Hesterberg, Christiane Schmidt, David Eppstein, Erik D. Demaine, Irina Kostitsyna, Martin L. Demaine, Michael Biro, Oswin Aichholzer, S\'andor P. Fekete

arxiv:1712.09317 v2 · 2017-12-26 · 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{FTXLDKSWONF3MKEJALYPRL3E2Z}

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	2026-05-18T00:00:30.750936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ceeb1aa56734bb6288902f0f8af64d65cd0bd64c7f4b4d90b31ca5cb03141c5

Aliases

arxiv: 1712.09317 · arxiv_version: 1712.09317v2 · doi: 10.48550/arxiv.1712.09317 · pith_short_12: FTXLDKSWONF3 · pith_short_16: FTXLDKSWONF3MKEJ · pith_short_8: FTXLDKSW

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/FTXLDKSWONF3MKEJALYPRL3E2Z \
  | 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: 2ceeb1aa56734bb6288902f0f8af64d65cd0bd64c7f4b4d90b31ca5cb03141c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7de464a7e1588550e134ddb1d4456632769bd804f2cdaeae50bbfb0df73092",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-12-26T18:06:16Z",
    "title_canon_sha256": "f43063e869013b4cb20c654d1a759be892e4da04592b6eb52abda420e059c330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09317",
    "kind": "arxiv",
    "version": 2
  }
}