Pith Number

pith:DBUZGPSK

pith:2012:DBUZGPSK54Y5KSSAFB53IQQU7O

not attested not anchored not stored refs pending

Spring Embedders and Force Directed Graph Drawing Algorithms

Stephen G. Kobourov

arxiv:1201.3011 v1 · 2012-01-14 · cs.CG · cs.DM · 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{DBUZGPSK54Y5KSSAFB53IQQU7O}

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	2026-05-18T04:04:32.505035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1869933e4aef31d54a40287bb44214fb8b628be52bbd2b63f1a332889a94fa5a

Aliases

arxiv: 1201.3011 · arxiv_version: 1201.3011v1 · doi: 10.48550/arxiv.1201.3011 · pith_short_12: DBUZGPSK54Y5 · pith_short_16: DBUZGPSK54Y5KSSA · pith_short_8: DBUZGPSK

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/DBUZGPSK54Y5KSSAFB53IQQU7O \
  | 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: 1869933e4aef31d54a40287bb44214fb8b628be52bbd2b63f1a332889a94fa5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe61bb42231d58682171e144381ada82f667acaaa2c47c223f0c7330b00766bf",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-01-14T12:49:31Z",
    "title_canon_sha256": "a7fd91ce16034985a8dc7a0397d23461ae9cc96276409fef3aee8a41168b52c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3011",
    "kind": "arxiv",
    "version": 1
  }
}