Pith Number

pith:WOJRPIHA

pith:2021:WOJRPIHANWKGHQ6WOFLUMD3NOH

not attested not anchored not stored refs pending

Consistent Simplification of Polyline Tree Bundles

Joachim Spoerhase, Johannes Zink, Peter Sch\"afer, Sabine Storandt, Yannick Bosch

arxiv:2108.10790 v1 · 2021-08-24 · 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{WOJRPIHANWKGHQ6WOFLUMD3NOH}

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	2026-07-05T03:08:40.098248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39317a0e06d9463c3d67157460f6d71d709a96a2ac97e51fc886e57b7d2a8a1

Aliases

arxiv: 2108.10790 · arxiv_version: 2108.10790v1 · doi: 10.48550/arxiv.2108.10790 · pith_short_12: WOJRPIHANWKG · pith_short_16: WOJRPIHANWKGHQ6W · pith_short_8: WOJRPIHA

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/WOJRPIHANWKGHQ6WOFLUMD3NOH \
  | 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: b39317a0e06d9463c3d67157460f6d71d709a96a2ac97e51fc886e57b7d2a8a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e657f6ec475fcf41df28d7febedd9bba29aaea9bd9625854f7e2db39ce5d4dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-08-24T15:20:35Z",
    "title_canon_sha256": "de5746b4ca71cbf503002f2fc63e7b51a1c7c6b73341e9a1092f6b66fbf88ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10790",
    "kind": "arxiv",
    "version": 1
  }
}