Pith Number

pith:K55X4WMR

pith:2012:K55X4WMRUOJLASSJOACSEKDA37

not attested not anchored not stored refs pending

Local Irreducibility of Tail-Biting Trellises

G. David Forney Jr, Heide Gluesing-Luerssen

arxiv:1212.3621 v1 · 2012-12-14 · cs.IT · math.IT · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K55X4WMRUOJLASSJOACSEKDA37}

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	2026-05-18T03:38:22.813825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

577b7e5991a392b04a497005222860dff52a55c6cb22b1e1809e9ff3e9cd387d

Aliases

arxiv: 1212.3621 · arxiv_version: 1212.3621v1 · doi: 10.48550/arxiv.1212.3621 · pith_short_12: K55X4WMRUOJL · pith_short_16: K55X4WMRUOJLASSJ · pith_short_8: K55X4WMR

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/K55X4WMRUOJLASSJOACSEKDA37 \
  | 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: 577b7e5991a392b04a497005222860dff52a55c6cb22b1e1809e9ff3e9cd387d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97fa139615e09b9f29e4e001d40f1acd280b85a066a9bac3436c5fb18e980349",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-12-14T21:21:49Z",
    "title_canon_sha256": "3f1d9b6c74c552b3f0769a5e90c6634c2ed4fb6bd7816ec036cdda6faefd1a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3621",
    "kind": "arxiv",
    "version": 1
  }
}