Pith Number

pith:IWV3BC7L

pith:2017:IWV3BC7LDUMHMJIP63MMONMHQ4

not attested not anchored not stored refs pending

Improved Deterministic Distributed Construction of Spanners

Merav Parter, Ofer Grossman

arxiv:1708.01011 v2 · 2017-08-03 · 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{IWV3BC7LDUMHMJIP63MMONMHQ4}

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	2026-05-18T00:38:08.328331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45abb08beb1d1876250ff6d8c735878700d2d6af3f9da08fbccbcb9ca1c027db

Aliases

arxiv: 1708.01011 · arxiv_version: 1708.01011v2 · doi: 10.48550/arxiv.1708.01011 · pith_short_12: IWV3BC7LDUMH · pith_short_16: IWV3BC7LDUMHMJIP · pith_short_8: IWV3BC7L

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/IWV3BC7LDUMHMJIP63MMONMHQ4 \
  | 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: 45abb08beb1d1876250ff6d8c735878700d2d6af3f9da08fbccbcb9ca1c027db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca9acc30c03466608c034a247d70d7c4e77ba32f7415cced7bacce5ae87ecbe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-03T06:00:18Z",
    "title_canon_sha256": "06abfb1a60697880876ee3b87a50bcad2d3b8d0070ad59b41999ae0449f57f16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01011",
    "kind": "arxiv",
    "version": 2
  }
}