Pith Number

pith:IUFU2TWP

pith:2022:IUFU2TWPL2RUDA7UYAHDQDZ26O

not attested not anchored not stored refs pending

Self-Sovereign Identity as a Service: Architecture in Practice

Hiroyuki Sato, Yepeng Ding

arxiv:2205.08314 v2 · 2022-05-17 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUFU2TWPL2RUDA7UYAHDQDZ26O}

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	2026-07-05T05:31:14.520533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450b4d4ecf5ea34183f4c00e380f3af39a13038fdce8571c370d82259cdfca4f

Aliases

arxiv: 2205.08314 · arxiv_version: 2205.08314v2 · doi: 10.48550/arxiv.2205.08314 · pith_short_12: IUFU2TWPL2RU · pith_short_16: IUFU2TWPL2RUDA7U · pith_short_8: IUFU2TWP

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/IUFU2TWPL2RUDA7UYAHDQDZ26O \
  | 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: 450b4d4ecf5ea34183f4c00e380f3af39a13038fdce8571c370d82259cdfca4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "141592b198908812209ebc18c20cf82fd8a5f5f4ff6ea6cb5522eee52049c98d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-05-17T13:13:06Z",
    "title_canon_sha256": "4d8db3dd82c2e8cbf4f92d285e21c5a9cda696933a68c83ed4acb685192cd50c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.08314",
    "kind": "arxiv",
    "version": 2
  }
}