Pith Number

pith:LYHRWL3I

pith:2015:LYHRWL3IEICY2MDYFNSQB4RAVZ

not attested not anchored not stored refs pending

On Monotone Drawings of Trees

Alexander Wolff, Andr\'e Schulz, Joachim Spoerhase, Philipp Kindermann

arxiv:1505.01410 v2 · 2015-05-06 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYHRWL3IEICY2MDYFNSQB4RAVZ}

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	2026-05-18T01:16:26.449889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e0f1b2f6822058d30782b6500f220ae4aefd0ebe60c18aa31b6fee72fac542d

Aliases

arxiv: 1505.01410 · arxiv_version: 1505.01410v2 · doi: 10.48550/arxiv.1505.01410 · pith_short_12: LYHRWL3IEICY · pith_short_16: LYHRWL3IEICY2MDY · pith_short_8: LYHRWL3I

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/LYHRWL3IEICY2MDYFNSQB4RAVZ \
  | 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: 5e0f1b2f6822058d30782b6500f220ae4aefd0ebe60c18aa31b6fee72fac542d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58b28711ad8b1d0ce792454c01755203c98914003f06bd0604a290bf01646ac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-05-06T15:54:32Z",
    "title_canon_sha256": "88c2e59aa8b9d7f19fcfc023f2ab4d5c0cc043c794597e9835809fff3d19eaee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01410",
    "kind": "arxiv",
    "version": 2
  }
}