Pith Number

pith:XMLI4KUH

pith:2018:XMLI4KUHCN7TGIJTFF4X6CTCAT

not attested not anchored not stored refs pending

RePair in Compressed Space and Time

Hiroshi Sakamoto, Keisuke Goto, Kensuke Sakai, Tatsuya Ohno, Tomohiro I, Yoshimasa Takabatake

arxiv:1811.01472 v1 · 2018-11-05 · 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{XMLI4KUHCN7TGIJTFF4X6CTCAT}

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	2026-05-18T00:01:34.208169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb168e2a87137f33213329797f0a6204cbcddeeffc5196897bca36b23d09c0d0

Aliases

arxiv: 1811.01472 · arxiv_version: 1811.01472v1 · doi: 10.48550/arxiv.1811.01472 · pith_short_12: XMLI4KUHCN7T · pith_short_16: XMLI4KUHCN7TGIJT · pith_short_8: XMLI4KUH

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/XMLI4KUHCN7TGIJTFF4X6CTCAT \
  | 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: bb168e2a87137f33213329797f0a6204cbcddeeffc5196897bca36b23d09c0d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d339e13909b910c818a7c0b287ec66f1b4bcf5fd142fc1c1a3d017a3f2ccaf02",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-05T01:24:30Z",
    "title_canon_sha256": "45059008dc6da1b1dddbbe35e1a3e4d7796a6f3bb30c5b980a0cec509b0c22a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01472",
    "kind": "arxiv",
    "version": 1
  }
}