Pith Number

pith:X47KBZCD

pith:2015:X47KBZCDSAID5D5T77HMF6XVGW

not attested not anchored not stored refs pending

Constructing Near Spanning Trees with Few Local Inspections

Asaf Shapira, Dana Ron, Guy Moshkovitz, Reut Levi, Ronitt Rubinfeld

arxiv:1502.00413 v2 · 2015-02-02 · math.CO · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X47KBZCDSAID5D5T77HMF6XVGW}

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	2026-05-18T02:28:04.708280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf3ea0e44390103e8fb3ffcec2faf53594d91dc35b55ab42fa1a1be7cea9602e

Aliases

arxiv: 1502.00413 · arxiv_version: 1502.00413v2 · doi: 10.48550/arxiv.1502.00413 · pith_short_12: X47KBZCDSAID · pith_short_16: X47KBZCDSAID5D5T · pith_short_8: X47KBZCD

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/X47KBZCDSAID5D5T77HMF6XVGW \
  | 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: bf3ea0e44390103e8fb3ffcec2faf53594d91dc35b55ab42fa1a1be7cea9602e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee898200759447074b4da363f6e3b76b24585393bc9729c1bd1b868b04dea3a5",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-02T09:20:39Z",
    "title_canon_sha256": "ed938fabc74e67ae55db02459f4fef81676d3414de1b5619dc2d364ae6531fbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00413",
    "kind": "arxiv",
    "version": 2
  }
}