Pith Number

pith:MB6WPQGF

pith:2019:MB6WPQGFVW2HPRN3BT5KZGQRUS

not attested not anchored not stored refs pending

LIKE Patterns and Complexity

Holger Petersen

arxiv:1903.06195 v1 · 2019-03-14 · cs.CC · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MB6WPQGFVW2HPRN3BT5KZGQRUS}

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	2026-05-17T23:51:13.587225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

607d67c0c5adb477c5bb0cfaac9a11a4876b9d7bb6fa6cc8f950c0245e40440f

Aliases

arxiv: 1903.06195 · arxiv_version: 1903.06195v1 · doi: 10.48550/arxiv.1903.06195 · pith_short_12: MB6WPQGFVW2H · pith_short_16: MB6WPQGFVW2HPRN3 · pith_short_8: MB6WPQGF

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/MB6WPQGFVW2HPRN3BT5KZGQRUS \
  | 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: 607d67c0c5adb477c5bb0cfaac9a11a4876b9d7bb6fa6cc8f950c0245e40440f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5341eb535a6a3eb21f095a588fd138573c1ba8dd48ff1fd5761e44cf1160086",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-03-14T18:06:05Z",
    "title_canon_sha256": "22163e42acb6555a87101c53b9d77119fe1cb0596ac26aa0fb5ae6145b6705d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06195",
    "kind": "arxiv",
    "version": 1
  }
}