Pith Number

pith:6X3I34WI

pith:2019:6X3I34WI5T7JTB74TKJG5UREVG

not attested not anchored not stored refs pending

Near-linear time approximation schemes for Steiner tree and forest in low-dimensional spaces

Lee-Ad Gottlieb, Yair Bartal

arxiv:1904.03611 v1 · 2019-04-07 · 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{6X3I34WI5T7JTB74TKJG5UREVG}

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	2026-05-17T23:49:12.773571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5f68df2c8ecfe9987fc9a926ed224a9ba182f35bf6e4f3f9ea03e51a8c1a50a

Aliases

arxiv: 1904.03611 · arxiv_version: 1904.03611v1 · doi: 10.48550/arxiv.1904.03611 · pith_short_12: 6X3I34WI5T7J · pith_short_16: 6X3I34WI5T7JTB74 · pith_short_8: 6X3I34WI

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/6X3I34WI5T7JTB74TKJG5UREVG \
  | 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: f5f68df2c8ecfe9987fc9a926ed224a9ba182f35bf6e4f3f9ea03e51a8c1a50a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de37c21cec973a9fd9ab0362a3b9ad9adbdf7367824a216d42031c02039dc9c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-04-07T09:17:30Z",
    "title_canon_sha256": "e6240e3dbc32d03d7d8a2b8353bd49298235b853d414fcd1af0c82b82cd1afef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03611",
    "kind": "arxiv",
    "version": 1
  }
}