Pith Number

pith:RVXOS7DJ

pith:2009:RVXOS7DJIWHEGYK6BSN44APIO2

not attested not anchored not stored refs pending

The Infinite-message Limit of Two-terminal Interactive Source Coding

Nan Ma, Prakash Ishwar

arxiv:0908.3512 v4 · 2009-08-25 · 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{RVXOS7DJIWHEGYK6BSN44APIO2}

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	2026-05-18T03:49:33.095390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d6ee97c69458e43615e0c9bce01e876a9a4f6f3fa6a782eec746c2a6edd225b

Aliases

arxiv: 0908.3512 · arxiv_version: 0908.3512v4 · doi: 10.48550/arxiv.0908.3512 · pith_short_12: RVXOS7DJIWHE · pith_short_16: RVXOS7DJIWHEGYK6 · pith_short_8: RVXOS7DJ

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/RVXOS7DJIWHEGYK6BSN44APIO2 \
  | 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: 8d6ee97c69458e43615e0c9bce01e876a9a4f6f3fa6a782eec746c2a6edd225b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2655b4ac27454c5a9c9cc95bd6bce377afe118b0e7cddf2c84880bbe9dacb56",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-08-25T01:54:37Z",
    "title_canon_sha256": "5cd5e676d362d22183d5e27e7eb9ac052f78b2554226a7660e4f188ac6221fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3512",
    "kind": "arxiv",
    "version": 4
  }
}