Pith Number

pith:L3LP4U6O

pith:2007:L3LP4U6OTETGWXLEK7OFOLFK7R

not attested not anchored not stored refs pending

Construction of Minimal Tail-Biting Trellises for Codes over Finite Abelian Groups

Qinqin Yang, Zhongping Qin

arxiv:cs/0702020 v3 · 2007-02-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3LP4U6OTETGWXLEK7OFOLFK7R}

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	2026-07-04T15:02:55.470194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed6fe53ce99266b5d6457dc572caafc7a6875cca7510d8d33dbca10ba8fd193

Aliases

arxiv: cs/0702020 · arxiv_version: cs/0702020v3 · doi: 10.48550/arxiv.cs/0702020 · pith_short_12: L3LP4U6OTETG · pith_short_16: L3LP4U6OTETGWXLE · pith_short_8: L3LP4U6O

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/L3LP4U6OTETGWXLEK7OFOLFK7R \
  | 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: 5ed6fe53ce99266b5d6457dc572caafc7a6875cca7510d8d33dbca10ba8fd193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5ef2b2418a8a1dbbcbed602c3e083f3348a2a7b97857c0b73d9d2399d2fc92",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-02-05T16:41:12Z",
    "title_canon_sha256": "06d4e5207a339fc5be0614d07d14ed4eeb8f31da4254eceadea22f4ecfc29b2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0702020",
    "kind": "arxiv",
    "version": 3
  }
}