Pith Number

pith:EYGHG2KV

pith:2026:EYGHG2KVY26CL6HR7EGCOS5XGQ

not attested not anchored not stored refs pending

bpK#: Delegatable Pseudonyms And Their Applications to National eID Systems

Doryan Lesaignoux, Sebastian Ramacher, Stephan Krenn

arxiv:2605.30212 v1 · 2026-05-28 · 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{EYGHG2KVY26CL6HR7EGCOS5XGQ}

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	2026-05-29T02:06:13.029898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

260c736955c6bc25f8f1f90c274bb73418675bca99956228e50c38821a3cd999

Aliases

arxiv: 2605.30212 · arxiv_version: 2605.30212v1 · doi: 10.48550/arxiv.2605.30212 · pith_short_12: EYGHG2KVY26C · pith_short_16: EYGHG2KVY26CL6HR · pith_short_8: EYGHG2KV

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/EYGHG2KVY26CL6HR7EGCOS5XGQ \
  | 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: 260c736955c6bc25f8f1f90c274bb73418675bca99956228e50c38821a3cd999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75c2b5586f4ac7b8101084f017bb4a31adfc5b7097cd1ba9263bdf11fa8c64e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-28T16:45:26Z",
    "title_canon_sha256": "c569d2fa772ccc8568e8ffcfffd8e99785850f753ab7b7cb3f7e1664934b9e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30212",
    "kind": "arxiv",
    "version": 1
  }
}