Pith Number

pith:AEPW4RQ2

pith:2017:AEPW4RQ2P2LIG3C4SBEJF2ILVV

not attested not anchored not stored refs pending

An Interactive Tool to Explore and Improve the Ply Number of Drawings

Michael Kaufmann, Niklas Heinsohn

arxiv:1708.09250 v1 · 2017-08-30 · 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{AEPW4RQ2P2LIG3C4SBEJF2ILVV}

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	2026-05-18T00:36:20.478892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

011f6e461a7e96836c5c904892e90bad6c263ac9e8ed92541d369b8d786a3e81

Aliases

arxiv: 1708.09250 · arxiv_version: 1708.09250v1 · doi: 10.48550/arxiv.1708.09250 · pith_short_12: AEPW4RQ2P2LI · pith_short_16: AEPW4RQ2P2LIG3C4 · pith_short_8: AEPW4RQ2

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/AEPW4RQ2P2LIG3C4SBEJF2ILVV \
  | 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: 011f6e461a7e96836c5c904892e90bad6c263ac9e8ed92541d369b8d786a3e81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855101f50e087fd7fd1429b9664994ff6fe65d0a92ff38241d82e0edfd62e37b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-30T13:13:24Z",
    "title_canon_sha256": "21caeeb6a93b0e7423b11c9a0e103d19f542265a99b17861a25fe1adb5f0c1ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09250",
    "kind": "arxiv",
    "version": 1
  }
}