Pith Number

pith:WNCMH35G

pith:2015:WNCMH35G62MVJI66ZGY4GCJWSQ

not attested not anchored not stored refs pending

Unique Factorization and Controllability of Tail-Biting Trellis Realizations via Controller Granule Decompositions

G. David Forney Jr

arxiv:1502.06491 v1 · 2015-02-23 · 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{WNCMH35G62MVJI66ZGY4GCJWSQ}

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	2026-05-18T02:26:32.412899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b344c3efa6f69954a3dec9b1c30936941b0553da48f2392e6cc65426479f2079

Aliases

arxiv: 1502.06491 · arxiv_version: 1502.06491v1 · doi: 10.48550/arxiv.1502.06491 · pith_short_12: WNCMH35G62MV · pith_short_16: WNCMH35G62MVJI66 · pith_short_8: WNCMH35G

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/WNCMH35G62MVJI66ZGY4GCJWSQ \
  | 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: b344c3efa6f69954a3dec9b1c30936941b0553da48f2392e6cc65426479f2079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cdd49d7092957bfc0a3501fc026c03c7e1019a62aab371ba541cde1792f8a94",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-23T16:31:12Z",
    "title_canon_sha256": "f892761a3650e6eeab369c984c3c6a061395a64eab9282f7c4c90656208e8fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06491",
    "kind": "arxiv",
    "version": 1
  }
}