Pith Number

pith:SU5HIEDI

pith:2018:SU5HIEDI3O7O6XGTWWPTVNC6FK

not attested not anchored not stored refs pending

Clique-Based Lower Bounds for Parsing Tree-Adjoining Grammars

Karl Bringmann, Philip Wellnitz

arxiv:1803.00804 v1 · 2018-03-02 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SU5HIEDI3O7O6XGTWWPTVNC6FK}

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	2026-05-18T00:22:07.828711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

953a741068dbbeef5cd3b59f3ab45e2aab37bada85b6613bc1cc5ad9be47d659

Aliases

arxiv: 1803.00804 · arxiv_version: 1803.00804v1 · doi: 10.48550/arxiv.1803.00804 · pith_short_12: SU5HIEDI3O7O · pith_short_16: SU5HIEDI3O7O6XGT · pith_short_8: SU5HIEDI

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/SU5HIEDI3O7O6XGTWWPTVNC6FK \
  | 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: 953a741068dbbeef5cd3b59f3ab45e2aab37bada85b6613bc1cc5ad9be47d659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7df774f507d72886fbe77cde5b58b7a1d887b67fa987eb3c4755ded93e67794",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-03-02T10:56:49Z",
    "title_canon_sha256": "7c22e1b5e9aaf4f7e0d6b3f262bb93fd8ff50c8ec2c84c5213f9120f7f9302c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00804",
    "kind": "arxiv",
    "version": 1
  }
}