Pith Number

pith:QE7VZSKC

pith:2011:QE7VZSKCU2JO5EPQFLLN5VTM3H

not attested not anchored not stored refs pending

Channel Optimized Distributed Multiple Description Coding

Farshad Lahouti, Mehrdad Valipour

arxiv:1101.0529 v1 · 2011-01-03 · 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{QE7VZSKCU2JO5EPQFLLN5VTM3H}

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	2026-05-18T02:04:13.878770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813f5cc942a692ee91f02ad6ded66cd9eea75e9b007eb951b369db6dc5851fcc

Aliases

arxiv: 1101.0529 · arxiv_version: 1101.0529v1 · doi: 10.48550/arxiv.1101.0529 · pith_short_12: QE7VZSKCU2JO · pith_short_16: QE7VZSKCU2JO5EPQ · pith_short_8: QE7VZSKC

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/QE7VZSKCU2JO5EPQFLLN5VTM3H \
  | 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: 813f5cc942a692ee91f02ad6ded66cd9eea75e9b007eb951b369db6dc5851fcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15df1d5cf8e0d8d7703ddf61b6b5e7a32e02e2c028d6c32d9925d649debe7b9d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-01-03T14:28:37Z",
    "title_canon_sha256": "b70e33bf6a2c009bead199a7e44a05aa61cf7e1a466071ff0e63bb2b956d2211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0529",
    "kind": "arxiv",
    "version": 1
  }
}