Pith Number

pith:YYGESLD4

pith:2013:YYGESLD4WITLYBCHB4GX27HGW6

not attested not anchored not stored refs pending

Universal Codes from Switching Strategies

Steven de Rooij, Wouter M. Koolen

arxiv:1311.6536 v1 · 2013-11-26 · cs.IT · cs.LG · 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{YYGESLD4WITLYBCHB4GX27HGW6}

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	2026-05-18T03:06:12.429480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c60c492c7cb226bc04470f0d7d7ce6b781e8ed61ac8e927005567d334e65f714

Aliases

arxiv: 1311.6536 · arxiv_version: 1311.6536v1 · doi: 10.48550/arxiv.1311.6536 · pith_short_12: YYGESLD4WITL · pith_short_16: YYGESLD4WITLYBCH · pith_short_8: YYGESLD4

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/YYGESLD4WITLYBCHB4GX27HGW6 \
  | 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: c60c492c7cb226bc04470f0d7d7ce6b781e8ed61ac8e927005567d334e65f714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "939fc2c4abb1031be714d3d040b86b07893e67c9678d0237fc9f9d01d19c9e3b",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-26T01:23:45Z",
    "title_canon_sha256": "7efc30ae73b670671ece26ce6faac5729ab8cf1a7c3772807f367f92e8b569fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6536",
    "kind": "arxiv",
    "version": 1
  }
}