Pith Number

pith:U56Z5ZQR

pith:2016:U56Z5ZQRF2YG5VPGZRZHXYAJSJ

not attested not anchored not stored refs pending

SDDs are Exponentially More Succinct than OBDDs

Simone Bova

arxiv:1601.00501 v1 · 2016-01-04 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U56Z5ZQRF2YG5VPGZRZHXYAJSJ}

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	2026-05-18T01:23:27.230569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77d9ee6112eb06ed5e6cc727be00992658e0eb5f863daac2e1a6c9c8bcd4b35

Aliases

arxiv: 1601.00501 · arxiv_version: 1601.00501v1 · doi: 10.48550/arxiv.1601.00501 · pith_short_12: U56Z5ZQRF2YG · pith_short_16: U56Z5ZQRF2YG5VPG · pith_short_8: U56Z5ZQR

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/U56Z5ZQRF2YG5VPGZRZHXYAJSJ \
  | 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: a77d9ee6112eb06ed5e6cc727be00992658e0eb5f863daac2e1a6c9c8bcd4b35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29534eeaba673781d08cf68d73fecde9351d9eeede33a1e4290eba55ed8c6f32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-01-04T13:38:35Z",
    "title_canon_sha256": "80b289ddc14bd96d0fad2fd375cad5c33312e8edffcf9f4f93cf33935d6dd2f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00501",
    "kind": "arxiv",
    "version": 1
  }
}