Pith Number

pith:7KIRJTE4

pith:2024:7KIRJTE4MI5LT4AOC5HHAZARMB

not attested not anchored not stored refs pending

Time complexity for deterministic string machines

Nur Cataltepe, Vanessa Kosoy

arxiv:2405.06043 v2 · 2024-05-09 · cs.FL · cs.CC · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KIRJTE4MI5LT4AOC5HHAZARMB}

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	2026-06-24T00:14:19.992954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa9114cc9c623ab9f00e174e7064116062003634b00136f3bfa06864ed9b6366

Aliases

arxiv: 2405.06043 · arxiv_version: 2405.06043v2 · doi: 10.48550/arxiv.2405.06043 · pith_short_12: 7KIRJTE4MI5L · pith_short_16: 7KIRJTE4MI5LT4AO · pith_short_8: 7KIRJTE4

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/7KIRJTE4MI5LT4AOC5HHAZARMB \
  | 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: fa9114cc9c623ab9f00e174e7064116062003634b00136f3bfa06864ed9b6366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c09d462091e81b9efccabc58a606f38cedd4d00f6139aa3fa586266e31080f",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2024-05-09T18:28:37Z",
    "title_canon_sha256": "2d9d068ff6afae82bfdbb409461ae5c2f06a8f0cfda68f6acf419ec3297f74ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.06043",
    "kind": "arxiv",
    "version": 2
  }
}