Pith Number

pith:EVZUTC4V

pith:2012:EVZUTC4V4KZEJXB3EHN7CP4NAD

not attested not anchored not stored refs pending

Successive Refinement with Decoder Cooperation and its Channel Coding Duals

Haim Permuter, Himanshu Asnani, Tsachy Weissman

arxiv:1203.4865 v1 · 2012-03-22 · 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{EVZUTC4V4KZEJXB3EHN7CP4NAD}

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	2026-05-18T00:58:18.382906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2573498b95e2b244dc3b21dbf13f8d00fd0ba0b6f5ccf67f2264a89c21aa120c

Aliases

arxiv: 1203.4865 · arxiv_version: 1203.4865v1 · doi: 10.48550/arxiv.1203.4865 · pith_short_12: EVZUTC4V4KZE · pith_short_16: EVZUTC4V4KZEJXB3 · pith_short_8: EVZUTC4V

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/EVZUTC4V4KZEJXB3EHN7CP4NAD \
  | 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: 2573498b95e2b244dc3b21dbf13f8d00fd0ba0b6f5ccf67f2264a89c21aa120c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a02c03554bd8843c2770a301cfc244802fc94d031b4f393693d49e9e68f4e5d4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-22T01:22:39Z",
    "title_canon_sha256": "28f124df09aeab040f80c766272e9c64a28d7afbb7a81374fe495fd474c677ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4865",
    "kind": "arxiv",
    "version": 1
  }
}