Pith Number

pith:UWMXNNID

pith:2017:UWMXNNIDYTAELJBWI4DUWK2WQD

not attested not anchored not stored refs pending

Secure Grouping Protocol Using a Deck of Cards

Goichiro Hanaoka, Kazumasa Shinagawa, Koji Nuida, Masaki Inamura, Yuji Hashimoto

arxiv:1709.07785 v1 · 2017-09-22 · 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{UWMXNNIDYTAELJBWI4DUWK2WQD}

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	2026-05-18T00:03:19.454016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a59976b503c4c045a43647074b2b5680cf54ede174de4da7df603f910ac0e989

Aliases

arxiv: 1709.07785 · arxiv_version: 1709.07785v1 · doi: 10.48550/arxiv.1709.07785 · pith_short_12: UWMXNNIDYTAE · pith_short_16: UWMXNNIDYTAELJBW · pith_short_8: UWMXNNID

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/UWMXNNIDYTAELJBWI4DUWK2WQD \
  | 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: a59976b503c4c045a43647074b2b5680cf54ede174de4da7df603f910ac0e989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a01447d9c8ca1459fbf7f5932d050e40b8af8b2060e452b7858af8725a6aefd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-09-22T14:43:31Z",
    "title_canon_sha256": "d96cb8987cb4033c4a987b9f805343bb44c15c61274f55d3a36292fbf7e6e9a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07785",
    "kind": "arxiv",
    "version": 1
  }
}