Pith Number

pith:7E2JZPTY

pith:2005:7E2JZPTY2YZ4IYS2FFHSNBJHDF

not attested not anchored not stored refs pending

n-Channel Asymmetric Multiple-Description Lattice Vector Quantization

Jan Ostergaard, Jesper Jensen, Richard Heusdens

arxiv:cs/0508012 v1 · 2005-08-02 · 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{7E2JZPTY2YZ4IYS2FFHSNBJHDF}

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	2026-05-18T00:58:26.814520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9349cbe78d633c4625a294f26852719661e7c44d7232a30103f311ca58c6d40

Aliases

arxiv: cs/0508012 · arxiv_version: cs/0508012v1 · doi: 10.48550/arxiv.cs/0508012 · pith_short_12: 7E2JZPTY2YZ4 · pith_short_16: 7E2JZPTY2YZ4IYS2 · pith_short_8: 7E2JZPTY

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/7E2JZPTY2YZ4IYS2FFHSNBJHDF \
  | 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: f9349cbe78d633c4625a294f26852719661e7c44d7232a30103f311ca58c6d40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51af8f080d4aed9aa134187ba196210792017ab93e7c8f6f7867c7e7307924fa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-08-02T07:52:14Z",
    "title_canon_sha256": "592fcd5d7ba70bb2ba8b6ac21321b5133f6df75001c0cb8127632ab3410cb401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0508012",
    "kind": "arxiv",
    "version": 1
  }
}