Pith Number

pith:EGLJ2TE3

pith:2022:EGLJ2TE33NIV5GYWU4ZGHZO7C7

not attested not anchored not stored refs pending

An Efficient Algorithm for the Proximity Connected Two Center Problem

Amirhossein Mozafari, Binay Bhattacharya, Thomas C. Shermer

arxiv:2204.08754 v1 · 2022-04-19 · cs.CG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGLJ2TE33NIV5GYWU4ZGHZO7C7}

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	2026-07-05T04:15:33.769800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21969d4c9bdb515e9b16a73263e5df17d958e3389ca7c3efd74e6e9bdb7ae28b

Aliases

arxiv: 2204.08754 · arxiv_version: 2204.08754v1 · doi: 10.48550/arxiv.2204.08754 · pith_short_12: EGLJ2TE33NIV · pith_short_16: EGLJ2TE33NIV5GYW · pith_short_8: EGLJ2TE3

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/EGLJ2TE33NIV5GYWU4ZGHZO7C7 \
  | 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: 21969d4c9bdb515e9b16a73263e5df17d958e3389ca7c3efd74e6e9bdb7ae28b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f83aa5e289ebf90d856ddbf2fc412e27dade64e4bfeeace8efc6845c24f91f0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-04-19T08:49:40Z",
    "title_canon_sha256": "c340dba1acd20ea55281941bdece5d084ed18474338e0310d015d082bdc24fa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.08754",
    "kind": "arxiv",
    "version": 1
  }
}