Pith Number

pith:MYXTAZMI

pith:2019:MYXTAZMI7EE2XTJFU3B35OLAPD

not attested not anchored not stored refs pending

Normalizers and permutational isomorphisms in simply-exponential time

Daniel Wiebking

arxiv:1904.10454 v1 · 2019-04-24 · cs.DS · cs.CC · cs.DM · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYXTAZMI7EE2XTJFU3B35OLAPD}

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	2026-05-17T23:43:49.508584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

662f306588f909abcd25a6c3beb96078e5e6f90275c9b60c4324bff84c7b6d1d

Aliases

arxiv: 1904.10454 · arxiv_version: 1904.10454v1 · doi: 10.48550/arxiv.1904.10454 · pith_short_12: MYXTAZMI7EE2 · pith_short_16: MYXTAZMI7EE2XTJF · pith_short_8: MYXTAZMI

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/MYXTAZMI7EE2XTJFU3B35OLAPD \
  | 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: 662f306588f909abcd25a6c3beb96078e5e6f90275c9b60c4324bff84c7b6d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906bf40b6b2b02af24f8caf5ad1dda2b29589b48b4994e81a7b766b4b0adf3c1",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-24T17:28:15Z",
    "title_canon_sha256": "35554d8b3a53b2ce8a98313552573ff27cc732d71d90a90adef0b44c4421e93a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10454",
    "kind": "arxiv",
    "version": 1
  }
}