Pith Number

pith:NDHZGLOP

pith:2018:NDHZGLOPERNWCV6N233HHCL3R4

not attested not anchored not stored refs pending

Round-Hashing for Data Storage: Distributed Servers and External-Memory Tables

Luca Versari, Roberto Grossi

arxiv:1805.03158 v1 · 2018-05-08 · 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{NDHZGLOPERNWCV6N233HHCL3R4}

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	2026-05-18T00:16:34.433078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cf932dcf245b6157cdd6f673897b8f003e2f175628cc708d4f4bfb69889cf2

Aliases

arxiv: 1805.03158 · arxiv_version: 1805.03158v1 · doi: 10.48550/arxiv.1805.03158 · pith_short_12: NDHZGLOPERNW · pith_short_16: NDHZGLOPERNWCV6N · pith_short_8: NDHZGLOP

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/NDHZGLOPERNWCV6N233HHCL3R4 \
  | 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: 68cf932dcf245b6157cdd6f673897b8f003e2f175628cc708d4f4bfb69889cf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b14ef67e634b69bfbd64c8eb5cc8ae591f21140d7ed162c2a473e4d810e3c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-08T16:48:01Z",
    "title_canon_sha256": "b5a4bab0819f89f25d27d7436b5578c6813b8b70d3940a236c899cf1272fd8db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03158",
    "kind": "arxiv",
    "version": 1
  }
}