Pith Number

pith:KVSUXU5B

pith:2017:KVSUXU5B7IEXBFJQKFNQDPXUSJ

not attested not anchored not stored refs pending

Ubergraphs: A Definition of a Recursive Hypergraph Structure

Cliff Joslyn, Kathleen Nowak

arxiv:1704.05547 v1 · 2017-04-18 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVSUXU5B7IEXBFJQKFNQDPXUSJ}

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	2026-05-18T00:46:07.165895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55654bd3a1fa09709530515b01bef492547869dbfb6e58261b5cdf4a6c0e6007

Aliases

arxiv: 1704.05547 · arxiv_version: 1704.05547v1 · doi: 10.48550/arxiv.1704.05547 · pith_short_12: KVSUXU5B7IEX · pith_short_16: KVSUXU5B7IEXBFJQ · pith_short_8: KVSUXU5B

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/KVSUXU5B7IEXBFJQKFNQDPXUSJ \
  | 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: 55654bd3a1fa09709530515b01bef492547869dbfb6e58261b5cdf4a6c0e6007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "881a95e7e3492d4d5b83272e618724947fdb7eb508e2473051fa84ba98c8c854",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-04-18T22:10:47Z",
    "title_canon_sha256": "3e0767236ab035e9732279b1ea519f23a256df6fca1ef5002a9ed7a80769aa78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05547",
    "kind": "arxiv",
    "version": 1
  }
}