Pith Number

pith:2RPZLJVH

pith:2017:2RPZLJVHMF43HDQ6GZTKVS3JMW

not attested not anchored not stored refs pending

Characteristic Matrices and Trellis Reduction for Tail-Biting Convolutional Codes

Masato Tajima

arxiv:1705.03982 v2 · 2017-05-11 · 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{2RPZLJVHMF43HDQ6GZTKVS3JMW}

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	2026-05-18T00:43:46.088987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d45f95a6a76179b38e1e3666aacb6965b8f30e2df921bac05ead3666f59cc0cd

Aliases

arxiv: 1705.03982 · arxiv_version: 1705.03982v2 · doi: 10.48550/arxiv.1705.03982 · pith_short_12: 2RPZLJVHMF43 · pith_short_16: 2RPZLJVHMF43HDQ6 · pith_short_8: 2RPZLJVH

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/2RPZLJVHMF43HDQ6GZTKVS3JMW \
  | 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: d45f95a6a76179b38e1e3666aacb6965b8f30e2df921bac05ead3666f59cc0cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97242551e57ae32087eb4daeb587b7da142b58ec9c5d51d50aa2c74db0bdab17",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-11T01:33:06Z",
    "title_canon_sha256": "151735777e3b7ed762bba1ec1fb70384f120357dbd6fb48e75e37eb278603787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03982",
    "kind": "arxiv",
    "version": 2
  }
}