Pith Number

pith:FEY5HMHB

pith:2012:FEY5HMHBZE23YTMHQAAOLD5WQC

not attested not anchored not stored refs pending

A One-Vertex Decomposition Algorithm for Generating Algebraic Expressions of Square Rhomboids

Mark Korenblit, Vadim E. Levit

arxiv:1211.1661 v1 · 2012-11-07 · 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{FEY5HMHBZE23YTMHQAAOLD5WQC}

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	2026-05-18T03:41:20.547206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2931d3b0e1c935bc4d878000e58fb680966629ad2075349a7e000ce6bbd076eb

Aliases

arxiv: 1211.1661 · arxiv_version: 1211.1661v1 · doi: 10.48550/arxiv.1211.1661 · pith_short_12: FEY5HMHBZE23 · pith_short_16: FEY5HMHBZE23YTMH · pith_short_8: FEY5HMHB

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/FEY5HMHBZE23YTMHQAAOLD5WQC \
  | 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: 2931d3b0e1c935bc4d878000e58fb680966629ad2075349a7e000ce6bbd076eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc331b4941cdbac4dad8c4b2877938d1ad3fea247182b73f0427368c5f7d6ba1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-11-07T20:25:20Z",
    "title_canon_sha256": "f17b735558a9e1c8c35f50ae2803595f7d8fcf934486a22f56999308cbb14144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1661",
    "kind": "arxiv",
    "version": 1
  }
}