Pith Number

pith:PC7DBZVH

pith:2013:PC7DBZVH63INJTXPMVIQFVE67Q

not attested not anchored not stored refs pending

A Derivation of the Source-Channel Error Exponent using Non-identical Product Distributions

Adri\`a Tauste Campo, Albert Guill\'en i F\`abregas, Alfonso Martinez, Gonzalo Vazquez-Vilar, Tobias Koch

arxiv:1303.6249 v2 · 2013-03-25 · 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{PC7DBZVH63INJTXPMVIQFVE67Q}

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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	2026-05-18T02:58:46.307906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78be30e6a7f6d0d4ceef655102d49efc2732193e9f5fb8178d7a05b31b2a7c4b

Aliases

arxiv: 1303.6249 · arxiv_version: 1303.6249v2 · doi: 10.48550/arxiv.1303.6249 · pith_short_12: PC7DBZVH63IN · pith_short_16: PC7DBZVH63INJTXP · pith_short_8: PC7DBZVH

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/PC7DBZVH63INJTXPMVIQFVE67Q \
  | 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: 78be30e6a7f6d0d4ceef655102d49efc2732193e9f5fb8178d7a05b31b2a7c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c4ff705e1ec6ecf45c6f5cd7395b3309704f2072046bd088b2e317c5bed81b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-25T18:53:43Z",
    "title_canon_sha256": "f5abd3df4a09b41346b17821eb9b109c44b987424fd4facb781d3ad5d5b7b7e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6249",
    "kind": "arxiv",
    "version": 2
  }
}