Pith Number

pith:M3DP7X3G

pith:2016:M3DP7X3GS6SHMCQI3OYWL32GC2

not attested not anchored not stored refs pending

A Dichotomy for Regular Expression Membership Testing

Allan Gr{\o}nlund, Karl Bringmann, Kasper Green Larsen

arxiv:1611.00918 v2 · 2016-11-03 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3DP7X3GS6SHMCQI3OYWL32GC2}

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

Algorithms and Indexing Lower Bounds for Variable String Matching

Receipt and verification

First computed	2026-05-18T01:00:05.157095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66c6ffdf6697a4760a08dbb165ef4616b1b2950217c9a947d573851a42cebe05

Aliases

arxiv: 1611.00918 · arxiv_version: 1611.00918v2 · doi: 10.48550/arxiv.1611.00918 · pith_short_12: M3DP7X3GS6SH · pith_short_16: M3DP7X3GS6SHMCQI · pith_short_8: M3DP7X3G

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/M3DP7X3GS6SHMCQI3OYWL32GC2 \
  | 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: 66c6ffdf6697a4760a08dbb165ef4616b1b2950217c9a947d573851a42cebe05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32a2808a37806d146ac88e5bf1e92edc1963f04e2826b9abf3dd6e5859c08d6b",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-11-03T08:55:07Z",
    "title_canon_sha256": "963038d0e15be6fad22381393228ea0d10b7326c7761b57524845aa5357abe77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00918",
    "kind": "arxiv",
    "version": 2
  }
}