Pith Number

pith:PQPKTVWK

pith:2017:PQPKTVWKRH6WELNSDV6A2ZV5BB

not attested not anchored not stored refs pending

Chainspace: A Sharded Smart Contracts Platform

Alberto Sonnino, Dave Hrycyszyn, George Danezis, Mustafa Al-Bassam, Shehar Bano

arxiv:1708.03778 v1 · 2017-08-12 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQPKTVWKRH6WELNSDV6A2ZV5BB}

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.

Cited by

1 paper in Pith

From Monolithic to Compositional: A Compositional Operational Semantics for Crystality

Receipt and verification

First computed	2026-05-18T00:38:07.946511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1ea9d6ca89fd622db21d7c0d66bd086595888142d31e33d2dcae6647576fda

Aliases

arxiv: 1708.03778 · arxiv_version: 1708.03778v1 · doi: 10.48550/arxiv.1708.03778 · pith_short_12: PQPKTVWKRH6W · pith_short_16: PQPKTVWKRH6WELNS · pith_short_8: PQPKTVWK

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/PQPKTVWKRH6WELNSDV6A2ZV5BB \
  | 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: 7c1ea9d6ca89fd622db21d7c0d66bd086595888142d31e33d2dcae6647576fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "002efebff696a75b248731204a325d6f605cff4598fe9378267c6f59351b3699",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-08-12T13:24:10Z",
    "title_canon_sha256": "39fbd5ccd34d2d45ed8bc0702d4d42300d6281d2229392634df009d5a02707bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03778",
    "kind": "arxiv",
    "version": 1
  }
}