Pith Number

pith:QYPIUKRO

pith:2009:QYPIUKRO7ASOUI6WZKXSVYGDFN

not attested not anchored not stored refs pending

Rate-Distortion with Side-Information at Many Decoders

Alexander Grant, Roy Timo, Terence Chan

arxiv:0901.1705 v2 · 2009-01-13 · 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{QYPIUKRO7ASOUI6WZKXSVYGDFN}

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	2026-05-18T00:58:20.423077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

861e8a2a2ef824ea23d6caaf2ae0c32b62409ebc543c03cf693edecc62b354e0

Aliases

arxiv: 0901.1705 · arxiv_version: 0901.1705v2 · doi: 10.48550/arxiv.0901.1705 · pith_short_12: QYPIUKRO7ASO · pith_short_16: QYPIUKRO7ASOUI6W · pith_short_8: QYPIUKRO

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/QYPIUKRO7ASOUI6WZKXSVYGDFN \
  | 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: 861e8a2a2ef824ea23d6caaf2ae0c32b62409ebc543c03cf693edecc62b354e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62d876f00318cd3ff4f208220d471522e667da395620df95671592d7244cb765",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-01-13T03:40:20Z",
    "title_canon_sha256": "1369de4744227ac6875c3ab8ad93179e9a883bd84ab1993e1311f9f827676c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1705",
    "kind": "arxiv",
    "version": 2
  }
}