Pith Number

pith:XH5BCPZK

pith:2018:XH5BCPZKHIS2W4U4I6PO5WOCJK

not attested not anchored not stored refs pending

Aligning Points to Lines: Provable Approximations

Dan Feldman, Ibrahim Jubran

arxiv:1807.08446 v3 · 2018-07-23 · cs.LG · cs.CG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XH5BCPZKHIS2W4U4I6PO5WOCJK}

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	2026-07-05T00:02:53.829818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9fa113f2a3a25ab729c479eeed9c24a9ee2c322643b066a2939b940e3c95cb7

Aliases

arxiv: 1807.08446 · arxiv_version: 1807.08446v3 · doi: 10.48550/arxiv.1807.08446 · pith_short_12: XH5BCPZKHIS2 · pith_short_16: XH5BCPZKHIS2W4U4 · pith_short_8: XH5BCPZK

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/XH5BCPZKHIS2W4U4I6PO5WOCJK \
  | 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: b9fa113f2a3a25ab729c479eeed9c24a9ee2c322643b066a2939b940e3c95cb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ce14e18eaac74986dc07c5e4f0dd95f84a09131cc0e2a0d848ef404acc032cc",
    "cross_cats_sorted": [
      "cs.CG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-23T06:45:15Z",
    "title_canon_sha256": "4dffc07294267f3f911a8e968146c4e63085bb75c2f7a4669f2072d0403c9f5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08446",
    "kind": "arxiv",
    "version": 3
  }
}