Pith Number

pith:ILLQQUIQ

pith:2014:ILLQQUIQQA77F3UTE5LJRGY444

not attested not anchored not stored refs pending

A quantum algorithm for Viterbi decoding of classical convolutional codes

David A. Meyer, Jon R. Grice

arxiv:1405.7479 v2 · 2014-05-29 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILLQQUIQQA77F3UTE5LJRGY444}

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	2026-05-18T01:41:58.109494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42d7085110803ff2ee932756989b1ce73339acad2453a933922c785f481b8355

Aliases

arxiv: 1405.7479 · arxiv_version: 1405.7479v2 · doi: 10.48550/arxiv.1405.7479 · pith_short_12: ILLQQUIQQA77 · pith_short_16: ILLQQUIQQA77F3UT · pith_short_8: ILLQQUIQ

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/ILLQQUIQQA77F3UTE5LJRGY444 \
  | 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: 42d7085110803ff2ee932756989b1ce73339acad2453a933922c785f481b8355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f739025ac7e7df2e6eeeb5e809ebf347257811c1867c49e6c2b2dfd1d6c1f9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-05-29T07:09:57Z",
    "title_canon_sha256": "4cc8dcd4cdbb10317c2132cde12a90ddcf69201de2a6fc39cbc81322b97995f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7479",
    "kind": "arxiv",
    "version": 2
  }
}