Pith Number

pith:MTIKASXI

pith:2018:MTIKASXIAXCRVV5M6SWBAB24UK

not attested not anchored not stored refs pending

The Weighted Barycenter Drawing Recognition Problem

Nikola S. Nikolov, Patrick Healy, Peter Eades

arxiv:1809.00628 v1 · 2018-09-03 · 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{MTIKASXIAXCRVV5M6SWBAB24UK}

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	2026-05-18T00:06:32.985078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64d0a04ae805c51ad7acf4ac10075ca29801fc02cca570fb3dd38566bcb8bc5d

Aliases

arxiv: 1809.00628 · arxiv_version: 1809.00628v1 · doi: 10.48550/arxiv.1809.00628 · pith_short_12: MTIKASXIAXCR · pith_short_16: MTIKASXIAXCRVV5M · pith_short_8: MTIKASXI

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/MTIKASXIAXCRVV5M6SWBAB24UK \
  | 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: 64d0a04ae805c51ad7acf4ac10075ca29801fc02cca570fb3dd38566bcb8bc5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc014f4d67b17b7be78bfa5f1d458ad5a3e7448630bc38bfeed4622797d7cc27",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-09-03T15:30:09Z",
    "title_canon_sha256": "fff312d73ba6bb0e28fc6ec3684e7afb2b383e8e38bc10a2b4974670fabdba94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00628",
    "kind": "arxiv",
    "version": 1
  }
}