Pith Number

pith:KRMZYMG2

pith:2025:KRMZYMG2JKFVAXPZ7NP75I4DXP

not attested not anchored not stored refs pending

A $(1+\epsilon)$-Approximation for Ultrametric Embedding in Subquadratic Time

Gabriel Bathie, Guillaume Lagarde

arxiv:2503.13409 v1 · 2025-03-17 · 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{KRMZYMG2JKFVAXPZ7NP75I4DXP}

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.

Cited by

1 paper in Pith

Ultrametric Violation Distance: Polynomial Kernel and FPT Algorithm

Receipt and verification

First computed	2026-07-05T10:33:00.059087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54599c30da4a8b505df9fb5ffea383bbd1da837751173e5b76b7fd0bdbf2a0b6

Aliases

arxiv: 2503.13409 · arxiv_version: 2503.13409v1 · doi: 10.48550/arxiv.2503.13409 · pith_short_12: KRMZYMG2JKFV · pith_short_16: KRMZYMG2JKFVAXPZ · pith_short_8: KRMZYMG2

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/KRMZYMG2JKFVAXPZ7NP75I4DXP \
  | 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: 54599c30da4a8b505df9fb5ffea383bbd1da837751173e5b76b7fd0bdbf2a0b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff94f866e0adc7a48dcc43e63f31e9f3313fd42c4c3d55d8d6dff1dd4df7e585",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-03-17T17:38:37Z",
    "title_canon_sha256": "9f3eb23b3a6e83a48787658fb77bcde520efb06029fa0ceac3d6cc11a8fc2856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13409",
    "kind": "arxiv",
    "version": 1
  }
}