Pith Number

pith:NY7AKKV2

pith:2021:NY7AKKV2AHZSRFJSIMSFRURL6U

not attested not anchored not stored refs pending

ETH Tight Algorithms for Geometric Intersection Graphs: Now in Polynomial Space

Fedor V. Fomin, Petr A. Golovach, Saket Saurabh, Tanmay Inamdar

arxiv:2107.06715 v1 · 2021-07-14 · 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{NY7AKKV2AHZSRFJSIMSFRURL6U}

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	2026-07-05T02:58:00.704023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3e052aba01f3289532432458d22bf534f475f7c1ec07a7f5122f8691f83209

Aliases

arxiv: 2107.06715 · arxiv_version: 2107.06715v1 · doi: 10.48550/arxiv.2107.06715 · pith_short_12: NY7AKKV2AHZS · pith_short_16: NY7AKKV2AHZSRFJS · pith_short_8: NY7AKKV2

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/NY7AKKV2AHZSRFJSIMSFRURL6U \
  | 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: 6e3e052aba01f3289532432458d22bf534f475f7c1ec07a7f5122f8691f83209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adafdb0b7ff86880364d9bdc21ff5de00a575ab204814825c55a1fd98394aa81",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-07-14T14:01:25Z",
    "title_canon_sha256": "90b1743287c4f34a30a3faa1b6ace616d5f9b0db41f46564e92a1e8d20043f69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06715",
    "kind": "arxiv",
    "version": 1
  }
}