Pith Number

pith:KUBFYV2Q

pith:2010:KUBFYV2Q3K4RN56ZGIVR3TFZLL

not attested not anchored not stored refs pending

On Short Cuts - or - Fencing in Rectangular Strips

Alfred Bruckstein, Yaniv Altshuler

arxiv:1011.5920 v1 · 2010-11-26 · 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{KUBFYV2Q3K4RN56ZGIVR3TFZLL}

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	2026-05-18T04:34:37.908856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55025c5750dab916f7d9322b1dccb95affaf1651abe6644b54951afb2a009eda

Aliases

arxiv: 1011.5920 · arxiv_version: 1011.5920v1 · doi: 10.48550/arxiv.1011.5920 · pith_short_12: KUBFYV2Q3K4R · pith_short_16: KUBFYV2Q3K4RN56Z · pith_short_8: KUBFYV2Q

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/KUBFYV2Q3K4RN56ZGIVR3TFZLL \
  | 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: 55025c5750dab916f7d9322b1dccb95affaf1651abe6644b54951afb2a009eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0158620ee21590d33534884f358186dfb7d2681db25883fdd619f0bb979a6f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2010-11-26T21:41:48Z",
    "title_canon_sha256": "b37e37ef1ac5b67628692ddc22df54cb3a38ea1ca7b4fcf4ddf8990cd12a2702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5920",
    "kind": "arxiv",
    "version": 1
  }
}