Pith Number

pith:XBC2ZROW

pith:2018:XBC2ZROWFKZB2P72BAZFVYPI5N

not attested not anchored not stored refs pending

Team Diagonalization

Holger Spakowski, Lane A. Hemaspaandra

arxiv:1807.10983 v1 · 2018-07-28 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBC2ZROWFKZB2P72BAZFVYPI5N}

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	2026-05-18T00:09:33.251349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b845acc5d62ab21d3ffa08325ae1e8eb754ea0e9293143312dce66c0455ea18e

Aliases

arxiv: 1807.10983 · arxiv_version: 1807.10983v1 · doi: 10.48550/arxiv.1807.10983 · pith_short_12: XBC2ZROWFKZB · pith_short_16: XBC2ZROWFKZB2P72 · pith_short_8: XBC2ZROW

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/XBC2ZROWFKZB2P72BAZFVYPI5N \
  | 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: b845acc5d62ab21d3ffa08325ae1e8eb754ea0e9293143312dce66c0455ea18e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc1ec3f683efea3064c08541dd810d38b3f737a4c2b5fe52eb31162bb7a4bc3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-07-28T23:30:29Z",
    "title_canon_sha256": "c82f2e4a12b76b10d0e19446cb44d43e418d5ab065b534f0f7020d5c55ed01cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10983",
    "kind": "arxiv",
    "version": 1
  }
}