Pith Number

pith:CUNNYXA3

pith:2018:CUNNYXA3GLGWEEIC7PZNYED7SC

not attested not anchored not stored refs pending

Social Algorithms

Xin-She Yang

arxiv:1805.05855 v1 · 2018-04-22 · cs.NE · cs.AI · cs.CC · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUNNYXA3GLGWEEIC7PZNYED7SC}

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	2026-05-18T00:15:53.461847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151adc5c1b32cd621102fbf2dc107f90a814401d078de132a05cb3209d2e15c9

Aliases

arxiv: 1805.05855 · arxiv_version: 1805.05855v1 · doi: 10.48550/arxiv.1805.05855 · pith_short_12: CUNNYXA3GLGW · pith_short_16: CUNNYXA3GLGWEEIC · pith_short_8: CUNNYXA3

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/CUNNYXA3GLGWEEIC7PZNYED7SC \
  | 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: 151adc5c1b32cd621102fbf2dc107f90a814401d078de132a05cb3209d2e15c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43d0ad3206e2a08e63b1eab5a12e7b0958898502230d35fe516a2465ade25228",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CC",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-04-22T13:44:18Z",
    "title_canon_sha256": "90d8b9416de1ccd2c3d31d3c8a86d46fd644ae4d073ebfbd83a70c900228ea37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05855",
    "kind": "arxiv",
    "version": 1
  }
}