Pith Number

pith:Z34XYIPA

pith:2006:Z34XYIPAUOG4ZRXNDAVHF7BASG

not attested not anchored not stored refs pending

n-Channel Entropy-Constrained Multiple-Description Lattice Vector Quantization

Jan Ostergaard, Jesper Jensen, Richard Heusdens

arxiv:cs/0602035 v1 · 2006-02-09 · 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{Z34XYIPAUOG4ZRXNDAVHF7BASG}

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	2026-05-18T00:58:08.857336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef97c21e0a38dccc6ed182a72fc2091a2ebf771b6eaa7e128970d2159c0c498

Aliases

arxiv: cs/0602035 · arxiv_version: cs/0602035v1 · doi: 10.48550/arxiv.cs/0602035 · pith_short_12: Z34XYIPAUOG4 · pith_short_16: Z34XYIPAUOG4ZRXN · pith_short_8: Z34XYIPA

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/Z34XYIPAUOG4ZRXNDAVHF7BASG \
  | 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: cef97c21e0a38dccc6ed182a72fc2091a2ebf771b6eaa7e128970d2159c0c498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34808a350b6f7c35b1477e4f21c32c5962e77452d4f46e9e0781dd726304db28",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2006-02-09T08:51:57Z",
    "title_canon_sha256": "9e2049fbda7310f5f8db079c2078d6bc03f8db44cee44c13c1132d9acca3329b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602035",
    "kind": "arxiv",
    "version": 1
  }
}