Pith Number

pith:LIT6NW6C

pith:2018:LIT6NW6CMWZCMRB4CCEEWCHBLZ

not attested not anchored not stored refs pending

Pole Dancing: 3D Morphs for Tree Drawings

Alessandra Tappini, Anthony D'Angelo, Elena Arseneva, Fabrizio Frati, Pilar Cano, Prosenjit Bose, Stefan Langerman, Vida Dujmovic

arxiv:1808.10738 v2 · 2018-08-31 · cs.CG · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LIT6NW6CMWZCMRB4CCEEWCHBLZ}

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	2026-05-18T00:06:36.448407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a27e6dbc265b226443c10884b08e15e49404a21b3cfc210eefd8d79d47859c9

Aliases

arxiv: 1808.10738 · arxiv_version: 1808.10738v2 · doi: 10.48550/arxiv.1808.10738 · pith_short_12: LIT6NW6CMWZC · pith_short_16: LIT6NW6CMWZCMRB4 · pith_short_8: LIT6NW6C

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/LIT6NW6CMWZCMRB4CCEEWCHBLZ \
  | 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: 5a27e6dbc265b226443c10884b08e15e49404a21b3cfc210eefd8d79d47859c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3b201d8513666095e4b8c063a6e61ace9e900bce7b425b161b46d5b52a0e4a",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-08-31T13:49:44Z",
    "title_canon_sha256": "2ce4a8738ed42aa0ec38270279080254c9fd11bd6421cd50996ced8b87badc2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10738",
    "kind": "arxiv",
    "version": 2
  }
}