Pith Number

pith:R6BKL3BV

pith:2013:R6BKL3BVP2MNBOCN7OOJF3UETI

not attested not anchored not stored refs pending

A Connection between Good Rate-distortion Codes and Backward DMCs

Curt Schieler, Paul Cuff

arxiv:1307.7770 v1 · 2013-07-30 · 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{R6BKL3BVP2MNBOCN7OOJF3UETI}

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	2026-05-18T03:17:13.662599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f82a5ec357e98d0b84dfb9c92ee849a0b0c4630945e40616bd2b8eab175b43c

Aliases

arxiv: 1307.7770 · arxiv_version: 1307.7770v1 · doi: 10.48550/arxiv.1307.7770 · pith_short_12: R6BKL3BVP2MN · pith_short_16: R6BKL3BVP2MNBOCN · pith_short_8: R6BKL3BV

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/R6BKL3BVP2MNBOCN7OOJF3UETI \
  | 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: 8f82a5ec357e98d0b84dfb9c92ee849a0b0c4630945e40616bd2b8eab175b43c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce9ed0fb611fe7cb4dc3d583be4b429a5923a600cb1308c7f6bd38e418f51bf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-30T00:41:16Z",
    "title_canon_sha256": "2d29651e64ffcb0777eb47e88e25ddb4aa7d88abd8ee5ea69a57192d4ac3611a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7770",
    "kind": "arxiv",
    "version": 1
  }
}