Pith Number

pith:YFFZNSIM

pith:2018:YFFZNSIMK4ZDJDBRYSFFY6A7QO

not attested not anchored not stored refs pending

$O(n \log n)$-time text compression by LZ-style longest first substitution

Akihiro Nishi, Hideo Bannai, Masayuki Takeda, Shunsuke Inenaga, Yuto Nakashima

arxiv:1806.04890 v1 · 2018-06-13 · 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{YFFZNSIMK4ZDJDBRYSFFY6A7QO}

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	2026-05-18T00:13:20.605888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c14b96c90c5732348c31c48a5c781f838d8776fad5a761fc044c60fbe0328ff7

Aliases

arxiv: 1806.04890 · arxiv_version: 1806.04890v1 · doi: 10.48550/arxiv.1806.04890 · pith_short_12: YFFZNSIMK4ZD · pith_short_16: YFFZNSIMK4ZDJDBR · pith_short_8: YFFZNSIM

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/YFFZNSIMK4ZDJDBRYSFFY6A7QO \
  | 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: c14b96c90c5732348c31c48a5c781f838d8776fad5a761fc044c60fbe0328ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f384fa8932aa103fe3d4149db04c4f0e3c8c2a118b33adb3ee351312da8b4e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-13T08:30:00Z",
    "title_canon_sha256": "e50c4f6c072ae4fa685b96498c38d15c8e608b69f8df97068d9fef6b9d59bfcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04890",
    "kind": "arxiv",
    "version": 1
  }
}