Pith Number

pith:W66AGIRU

pith:2019:W66AGIRUTMCFRCBV675PS52DN6

not attested not anchored not stored refs pending

String-to-String Interpretations with Polynomial-Size Output

Miko{\l}aj Boja\'nczyk, Nathan Lhote, Sandra Kiefer

arxiv:1905.13190 v1 · 2019-05-30 · cs.FL · cs.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{W66AGIRUTMCFRCBV675PS52DN6}

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

A finer reparameterisation theorem for MSO and FO queries on strings

Receipt and verification

First computed	2026-05-17T23:44:38.696800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7bc0322349b04588835f7faf977436f83e4bec6439b7d2f277399761e41b1c3

Aliases

arxiv: 1905.13190 · arxiv_version: 1905.13190v1 · doi: 10.48550/arxiv.1905.13190 · pith_short_12: W66AGIRUTMCF · pith_short_16: W66AGIRUTMCFRCBV · pith_short_8: W66AGIRU

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/W66AGIRUTMCFRCBV675PS52DN6 \
  | 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: b7bc0322349b04588835f7faf977436f83e4bec6439b7d2f277399761e41b1c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab4db207fe892a19477433dea1f3068f777f804e9969a34de2996ab632e811c9",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-05-30T17:21:26Z",
    "title_canon_sha256": "0044d5f281eb2302df9c8aed30979a74ca0a42624df686d51b0fd4f05c0668df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13190",
    "kind": "arxiv",
    "version": 1
  }
}