Pith Number

pith:5NSG3P2B

pith:2022:5NSG3P2BPX4SZRLJ4IDPNJR4VC

not attested not anchored not stored refs pending

Notes on CSPs and Polymorphisms

Zarathustra Brady

arxiv:2210.07383 v2 · 2022-10-13 · math.RA · cs.CC · cs.DM · cs.LO · math.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{5NSG3P2BPX4SZRLJ4IDPNJR4VC}

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.

Cited by

1 paper in Pith

Graph Homomorphisms and Universal Algebra

Receipt and verification

First computed	2026-07-05T11:09:41.070015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb646dbf417df92cc569e206f6a63ca8a1a9294fc4a255b0a686306a4cbd7c47

Aliases

arxiv: 2210.07383 · arxiv_version: 2210.07383v2 · doi: 10.48550/arxiv.2210.07383 · pith_short_12: 5NSG3P2BPX4S · pith_short_16: 5NSG3P2BPX4SZRLJ · pith_short_8: 5NSG3P2B

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/5NSG3P2BPX4SZRLJ4IDPNJR4VC \
  | 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: eb646dbf417df92cc569e206f6a63ca8a1a9294fc4a255b0a686306a4cbd7c47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5931dce51cda0079e889a68b19587d9fc16fe415ddb90bc75d7887900fd0a970",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.LO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2022-10-13T21:59:55Z",
    "title_canon_sha256": "0330e98d1be4b9af0952bd43c996440dc59314d45084d49c5b0815ddb4f49ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.07383",
    "kind": "arxiv",
    "version": 2
  }
}