Pith Number

pith:LAJIS73N

pith:2021:LAJIS73NFATSLBDCEQ6SGMWRDM

not attested not anchored not stored refs pending

An Improved Algorithm for The $k$-Dyck Edit Distance Problem

Dvir Fried, Ely Porat, Shay Golan, Tatiana Starikovskaya, Tomasz Kociumaka, Tsvi Kopelowitz

arxiv:2111.02336 v2 · 2021-11-03 · 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{LAJIS73NFATSLBDCEQ6SGMWRDM}

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	2026-07-05T04:50:12.608308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5812897f6d2827258462243d2332d11b3dbedcf3aa0951e1aa6d2cf7f8c7543c

Aliases

arxiv: 2111.02336 · arxiv_version: 2111.02336v2 · doi: 10.48550/arxiv.2111.02336 · pith_short_12: LAJIS73NFATS · pith_short_16: LAJIS73NFATSLBDC · pith_short_8: LAJIS73N

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/LAJIS73NFATSLBDCEQ6SGMWRDM \
  | 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: 5812897f6d2827258462243d2332d11b3dbedcf3aa0951e1aa6d2cf7f8c7543c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f08724f3d9a44eedf1f45ac826b95fdd637136021f29c23b8ef6686d093e1b5c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-11-03T16:38:37Z",
    "title_canon_sha256": "80036183db6774a3660da25797800044e1e635fec395299bb6060f5e16d94b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02336",
    "kind": "arxiv",
    "version": 2
  }
}