Pith Number

pith:T5JJGX6O

pith:2025:T5JJGX6OMEZP7ZBCXDUKK6WMPT

not attested not anchored not stored refs pending

Near-Optimal Dynamic Steiner Spanners for Constant-Curvature Spaces

Geert van Wordragen, S\'andor Kisfaludi-Bak

arxiv:2509.01443 v1 · 2025-09-01 · 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{T5JJGX6OMEZP7ZBCXDUKK6WMPT}

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	2026-07-05T12:03:01.109679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f52935fce6132ffe422b8e8a57acc7ceb8c109210630a999b58c1057c7ca1de

Aliases

arxiv: 2509.01443 · arxiv_version: 2509.01443v1 · doi: 10.48550/arxiv.2509.01443 · pith_short_12: T5JJGX6OMEZP · pith_short_16: T5JJGX6OMEZP7ZBC · pith_short_8: T5JJGX6O

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/T5JJGX6OMEZP7ZBCXDUKK6WMPT \
  | 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: 9f52935fce6132ffe422b8e8a57acc7ceb8c109210630a999b58c1057c7ca1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ac01f2b827fca7bc3c0d9854d9c492e313f2d40cd3883c6be813280aeef037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2025-09-01T12:58:16Z",
    "title_canon_sha256": "c7e27dd12f40ad8ec2ddc1be4a43142f638adde563e5c9681cb77bdb4d92fed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01443",
    "kind": "arxiv",
    "version": 1
  }
}