Pith Number

pith:ZBQKGKRM

pith:2012:ZBQKGKRM2IVRNSP442JPCFIQ5N

not attested not anchored not stored refs pending

Lower bounding edit distances between permutations

Anthony Labarre

arxiv:1201.0365 v1 · 2012-01-01 · cs.DM · 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{ZBQKGKRM2IVRNSP442JPCFIQ5N}

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	2026-05-18T03:15:06.701394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c860a32a2cd22b16c9fce692f11510eb4069815a06238ef5576143d943ac1a12

Aliases

arxiv: 1201.0365 · arxiv_version: 1201.0365v1 · doi: 10.48550/arxiv.1201.0365 · pith_short_12: ZBQKGKRM2IVR · pith_short_16: ZBQKGKRM2IVRNSP4 · pith_short_8: ZBQKGKRM

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/ZBQKGKRM2IVRNSP442JPCFIQ5N \
  | 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: c860a32a2cd22b16c9fce692f11510eb4069815a06238ef5576143d943ac1a12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f92ddd278148c6e06b59fdccb978a6589e91732935efa7c47cb1d31510e77d",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-01-01T17:38:06Z",
    "title_canon_sha256": "ef3243b23ccacf0d9467eae83d81157298f9be8da514e5b5b0d87839706e15f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0365",
    "kind": "arxiv",
    "version": 1
  }
}