Pith Number

pith:VEREAGKS

pith:2014:VEREAGKSEOCPDOTA3KAG42UV7E

not attested not anchored not stored refs pending

Zero-error capacity of binary channels with memory

Emanuela Fachini, G\'erard Cohen, J\'anos K\"orner

arxiv:1402.0349 v2 · 2014-02-03 · math.CO · 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{VEREAGKSEOCPDOTA3KAG42UV7E}

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	2026-05-18T01:20:21.334234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9224019522384f1ba60da806e6a95f9225586e8a31f2d3463759b14fce796e1

Aliases

arxiv: 1402.0349 · arxiv_version: 1402.0349v2 · doi: 10.48550/arxiv.1402.0349 · pith_short_12: VEREAGKSEOCP · pith_short_16: VEREAGKSEOCPDOTA · pith_short_8: VEREAGKS

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/VEREAGKSEOCPDOTA3KAG42UV7E \
  | 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: a9224019522384f1ba60da806e6a95f9225586e8a31f2d3463759b14fce796e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda8ced3e24eea2ab70f6a8a6f62041532282105bb881eeb7cc6d83b1c99be48",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-03T11:51:27Z",
    "title_canon_sha256": "0633d372c41b6f504e694992a6bdaa8a406f237014ba34c3d6c65bbb75e78dbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0349",
    "kind": "arxiv",
    "version": 2
  }
}