Pith Number

pith:AOMZG3II

pith:2019:AOMZG3II7YX5SRF3FK3VRI23TY

not attested not anchored not stored refs pending

A Natural Quadratic Approach to the Generalized Graph Layering Problem

Sven Mallach

arxiv:1908.04104 v1 · 2019-08-12 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOMZG3II7YX5SRF3FK3VRI23TY}

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	2026-07-04T23:53:20.745492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0399936d08fe2fd944bb2ab758a35b9e1e037400a0a72d0779b4ab6917f55743

Aliases

arxiv: 1908.04104 · arxiv_version: 1908.04104v1 · doi: 10.48550/arxiv.1908.04104 · pith_short_12: AOMZG3II7YX5 · pith_short_16: AOMZG3II7YX5SRF3 · pith_short_8: AOMZG3II

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/AOMZG3II7YX5SRF3FK3VRI23TY \
  | 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: 0399936d08fe2fd944bb2ab758a35b9e1e037400a0a72d0779b4ab6917f55743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9437924c684ed281877b8124016dbbef826bf5623f8db2b1a9179382767e724",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-12T11:59:42Z",
    "title_canon_sha256": "6f4052cdcb4ff38d0b22341379dcddb1b7a81df8cf7081b2b166304cdfe270f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04104",
    "kind": "arxiv",
    "version": 1
  }
}