Pith Number

pith:KJY3JKFW

pith:2018:KJY3JKFWF55EUTKV2PPDX5IR5D

not attested not anchored not stored refs pending

Near-Optimal Distance Emulator for Planar Graphs

Hsien-Chih Chang, Oren Weimann, Pawe{\l} Gawrychowski, Shay Mozes

arxiv:1807.01478 v1 · 2018-07-04 · 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{KJY3JKFWF55EUTKV2PPDX5IR5D}

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	2026-05-18T00:11:29.616872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5271b4a8b62f7a4a4d55d3de3bf511e8cc9fddc2d1c2dd9926db7e4a1c2d00d5

Aliases

arxiv: 1807.01478 · arxiv_version: 1807.01478v1 · doi: 10.48550/arxiv.1807.01478 · pith_short_12: KJY3JKFWF55E · pith_short_16: KJY3JKFWF55EUTKV · pith_short_8: KJY3JKFW

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/KJY3JKFWF55EUTKV2PPDX5IR5D \
  | 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: 5271b4a8b62f7a4a4d55d3de3bf511e8cc9fddc2d1c2dd9926db7e4a1c2d00d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875d885e91dc878b54f36010bd01a06303e685d6b373d0238597761013e1054b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-04T08:26:37Z",
    "title_canon_sha256": "b03912b26828e993a28c94676c391f72ef04e096c027ce3de56fe7e41a62b6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01478",
    "kind": "arxiv",
    "version": 1
  }
}