Pith Number

pith:FJT6RHS5

pith:2018:FJT6RHS5YBP2R3VPSNU7GULJ3D

not attested not anchored not stored refs pending

MR-RePair: Grammar Compression based on Maximal Repeats

Hideo Bannai, Isamu Furuya, Shunsuke Inenaga, Takuya Kida, Takuya Takagi, Yuto Nakashima

arxiv:1811.04596 v2 · 2018-11-12 · 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{FJT6RHS5YBP2R3VPSNU7GULJ3D}

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	2026-05-17T23:53:50.192260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a67e89e5dc05fa8eeaf9369f35169d8d5d3e52aa08b9bfe460951819c84fd25

Aliases

arxiv: 1811.04596 · arxiv_version: 1811.04596v2 · doi: 10.48550/arxiv.1811.04596 · pith_short_12: FJT6RHS5YBP2 · pith_short_16: FJT6RHS5YBP2R3VP · pith_short_8: FJT6RHS5

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/FJT6RHS5YBP2R3VPSNU7GULJ3D \
  | 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: 2a67e89e5dc05fa8eeaf9369f35169d8d5d3e52aa08b9bfe460951819c84fd25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82a3b96f49cdaf1b62e937860a2a838178b788e35808fe3d98cd1155fb58d057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-12T08:11:54Z",
    "title_canon_sha256": "0bc434eaf1c9e2e9548941f854166c96478d61e885b70f74c0ec91e0bace32ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04596",
    "kind": "arxiv",
    "version": 2
  }
}