Pith Number

pith:R7BSCOSL

pith:2011:R7BSCOSLXPSZVJ5DMIX3WSPPIZ

not attested not anchored not stored refs pending

The State-Dependent Semideterministic Broadcast Channel

Amos Lapidoth, Ligong Wang

arxiv:1111.1144 v2 · 2011-11-04 · 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{R7BSCOSLXPSZVJ5DMIX3WSPPIZ}

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	2026-05-18T03:41:01.379531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc3213a4bbbe59aa7a3622fbb49ef465f9d24548a434d1cdd63d20d0fa3b9f7

Aliases

arxiv: 1111.1144 · arxiv_version: 1111.1144v2 · doi: 10.48550/arxiv.1111.1144 · pith_short_12: R7BSCOSLXPSZ · pith_short_16: R7BSCOSLXPSZVJ5D · pith_short_8: R7BSCOSL

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/R7BSCOSLXPSZVJ5DMIX3WSPPIZ \
  | 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: 8fc3213a4bbbe59aa7a3622fbb49ef465f9d24548a434d1cdd63d20d0fa3b9f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7fe8f984f3a5172456401bf5dbe1dacc730f4a2c273eedd9254d2c3f398bfa8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-04T14:47:50Z",
    "title_canon_sha256": "4143bd91f8a2fbd44e065e39040724d5cd995e44026b8f6cc894c68e99236553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1144",
    "kind": "arxiv",
    "version": 2
  }
}