Pith Number

pith:UB5GWFSU

pith:2015:UB5GWFSUPE6DBI6YJML362NAXT

not attested not anchored not stored refs pending

The "art of trellis decoding" is fixed-parameter tractable

Eun Jung Kim, Jisu Jeong, Sang-il Oum

arxiv:1507.02184 v4 · 2015-07-08 · cs.DS · cs.CC · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB5GWFSUPE6DBI6YJML362NAXT}

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	2026-05-18T00:16:03.380619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07a6b1654793c30a3d84b17bf69a0bce6573ed651617d8ed348cf9c941c498b

Aliases

arxiv: 1507.02184 · arxiv_version: 1507.02184v4 · doi: 10.48550/arxiv.1507.02184 · pith_short_12: UB5GWFSUPE6D · pith_short_16: UB5GWFSUPE6DBI6Y · pith_short_8: UB5GWFSU

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/UB5GWFSUPE6DBI6YJML362NAXT \
  | 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: a07a6b1654793c30a3d84b17bf69a0bce6573ed651617d8ed348cf9c941c498b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5307edb63d328826074372ae76368fef90726fff13b4703fd2eec35af96e0c",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-08T14:57:05Z",
    "title_canon_sha256": "e4445e257340e1f971f29adba440c7b598bb9ad3c1cab30426f13d76f344f784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02184",
    "kind": "arxiv",
    "version": 4
  }
}