Pith Number

pith:GMOIB6AX

pith:2012:GMOIB6AXY7QAXLNQ32RACLV6BC

not attested not anchored not stored refs pending

Reducing complexity of tail-biting trellises

G. David Forney, Heide Gluesing-Luerssen, jr

arxiv:1202.1336 v1 · 2012-02-07 · cs.IT · cs.SY · 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{GMOIB6AXY7QAXLNQ32RACLV6BC}

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	2026-05-18T03:47:53.139732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

331c80f817c7e00badb0dea2012ebe08a01978979f98077e11c7ab782a5a2d7b

Aliases

arxiv: 1202.1336 · arxiv_version: 1202.1336v1 · doi: 10.48550/arxiv.1202.1336 · pith_short_12: GMOIB6AXY7QA · pith_short_16: GMOIB6AXY7QAXLNQ · pith_short_8: GMOIB6AX

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/GMOIB6AXY7QAXLNQ32RACLV6BC \
  | 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: 331c80f817c7e00badb0dea2012ebe08a01978979f98077e11c7ab782a5a2d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea2f1cb229fc08007ad405075402b8c89030634a029d4c2cb29aa52e4ad7968a",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-07T02:38:46Z",
    "title_canon_sha256": "09327fb5425869dd4597d139b656773fda28b4492363f4a68ebbae1def2b9a70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1336",
    "kind": "arxiv",
    "version": 1
  }
}