Pith Number

pith:MKTCQSAC

pith:2018:MKTCQSACR2I5CK6JXKTV4EBEQT

not attested not anchored not stored refs pending

Graph Compact Orthogonal Layout Algorithm

Jans Glagolevs, Karlis Freivalds

arxiv:1807.09368 v1 · 2018-07-24 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKTCQSACR2I5CK6JXKTV4EBEQT}

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	2026-05-18T00:09:51.519064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62a62848028e91d12bc9baa75e102484d9b9cdb69f276fac32df82590083d1b3

Aliases

arxiv: 1807.09368 · arxiv_version: 1807.09368v1 · doi: 10.48550/arxiv.1807.09368 · pith_short_12: MKTCQSACR2I5 · pith_short_16: MKTCQSACR2I5CK6J · pith_short_8: MKTCQSAC

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/MKTCQSACR2I5CK6JXKTV4EBEQT \
  | 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: 62a62848028e91d12bc9baa75e102484d9b9cdb69f276fac32df82590083d1b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29cae266613309e327f9041b289aed160376743c2a2689312d83fe2117d106d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2018-07-24T21:42:29Z",
    "title_canon_sha256": "069cced8e722bdeb78132b3ccc42fbd1c347b2f33ad2932bcdbbb6a2287b4fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09368",
    "kind": "arxiv",
    "version": 1
  }
}