Pith Number

pith:SMYXFXYL

pith:2020:SMYXFXYLWKBNSWBQXVSS6VYYVN

not attested not anchored not stored refs pending

A Class of Optimal Structures for Node Computations in Message Passing Algorithms

Kui Cai, Liang Zhou, Xuan He

arxiv:2009.02535 v3 · 2020-09-05 · cs.IT · cs.AR · 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{SMYXFXYLWKBNSWBQXVSS6VYYVN}

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	2026-07-05T03:21:06.332599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

933172df0bb282d95830bd652f5718ab6410785dfa82effcabdb81233cdb5e2d

Aliases

arxiv: 2009.02535 · arxiv_version: 2009.02535v3 · doi: 10.48550/arxiv.2009.02535 · pith_short_12: SMYXFXYLWKBN · pith_short_16: SMYXFXYLWKBNSWBQ · pith_short_8: SMYXFXYL

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/SMYXFXYLWKBNSWBQXVSS6VYYVN \
  | 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: 933172df0bb282d95830bd652f5718ab6410785dfa82effcabdb81233cdb5e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81bac392ed6a1349439981791af3e4ff5f9fa9c6037a84b13155f7e6763cb718",
    "cross_cats_sorted": [
      "cs.AR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-09-05T13:52:01Z",
    "title_canon_sha256": "ec8c6660b290878d1a15f079225f732eb376cb161bec5640a5db983c4f864227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02535",
    "kind": "arxiv",
    "version": 3
  }
}