Pith Number

pith:GPIN6V6F

pith:2012:GPIN6V6FGGNZJ42CW7KKMSYIQL

not attested not anchored not stored refs pending

Error-Trellis Construction for Tailbiting Convolutional Codes

Koji Okino, Masato Tajima

arxiv:1201.4428 v1 · 2012-01-21 · 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{GPIN6V6FGGNZJ42CW7KKMSYIQL}

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	2026-05-18T04:04:06.114242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d0df57c5319b94f342b7d4a64b0882d4b9141ca1242cfc5df5323b27ee74ed

Aliases

arxiv: 1201.4428 · arxiv_version: 1201.4428v1 · doi: 10.48550/arxiv.1201.4428 · pith_short_12: GPIN6V6FGGNZ · pith_short_16: GPIN6V6FGGNZJ42C · pith_short_8: GPIN6V6F

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/GPIN6V6FGGNZJ42CW7KKMSYIQL \
  | 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: 33d0df57c5319b94f342b7d4a64b0882d4b9141ca1242cfc5df5323b27ee74ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10c916f504b7422073e7a8c3d0b881ccb7f34df9c4194d4182d1662d3ac89516",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-01-21T03:04:25Z",
    "title_canon_sha256": "d48415bdb89b21da9d3a6b5023956d3c50ddcd81324f38beb1de7eb340ec3369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4428",
    "kind": "arxiv",
    "version": 1
  }
}