Pith Number

pith:PFFSSIYJ

pith:2019:PFFSSIYJCDEW6YNCMDKXVTWAOO

not attested not anchored not stored refs pending

Smart Contract Federated Identity Management without Third Party Authentication Services

James Shook, Jim Dray, Peter Mell

arxiv:1906.11057 v1 · 2019-06-26 · 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{PFFSSIYJCDEW6YNCMDKXVTWAOO}

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	2026-05-17T23:42:10.043988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

794b29230910c96f61a260d57acec073af5a6bd1ca90439b76ae282b3b685e0b

Aliases

arxiv: 1906.11057 · arxiv_version: 1906.11057v1 · doi: 10.48550/arxiv.1906.11057 · pith_short_12: PFFSSIYJCDEW · pith_short_16: PFFSSIYJCDEW6YNC · pith_short_8: PFFSSIYJ

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/PFFSSIYJCDEW6YNCMDKXVTWAOO \
  | 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: 794b29230910c96f61a260d57acec073af5a6bd1ca90439b76ae282b3b685e0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e880d879ce7756d9d5fe5e246175d47a3e830573c90a7153b23f9ad4bef835c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-06-26T12:55:17Z",
    "title_canon_sha256": "b9cc7143928b391e09c660aaa92ffd7a9c63da648f2ce84ceb5b767890488ccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11057",
    "kind": "arxiv",
    "version": 1
  }
}