Pith Number

pith:IE2Z4QH3

pith:2019:IE2Z4QH32WA5KNUMG2REVIKXSP

not attested not anchored not stored refs pending

Local Computation Algorithms for Spanners

Ali Vakilian, Anak Yodpinyanee, Merav Parter, Ronitt Rubinfeld

arxiv:1902.08266 v1 · 2019-02-21 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IE2Z4QH32WA5KNUMG2REVIKXSP}

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	2026-05-17T23:52:57.807287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41359e40fbd581d5368c36a24aa15793dd5b1bef54a27b5c8ebc023fd7737cd1

Aliases

arxiv: 1902.08266 · arxiv_version: 1902.08266v1 · doi: 10.48550/arxiv.1902.08266 · pith_short_12: IE2Z4QH32WA5 · pith_short_16: IE2Z4QH32WA5KNUM · pith_short_8: IE2Z4QH3

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/IE2Z4QH32WA5KNUMG2REVIKXSP \
  | 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: 41359e40fbd581d5368c36a24aa15793dd5b1bef54a27b5c8ebc023fd7737cd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75cb9e2d03b1ec56689529761d51c50c6c3478c995865ea7dea755a329700052",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-21T21:03:22Z",
    "title_canon_sha256": "1a6e17be9ae7bb5b656b99e966dbfb8a3721c60331d9c60dbdceb68cbcd81a34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08266",
    "kind": "arxiv",
    "version": 1
  }
}