Pith Number

pith:4VOUEYBJ

pith:2014:4VOUEYBJ5HNHKPSAKGTJXUADNO

not attested not anchored not stored refs pending

Citizen Electronic Identities using TPM 2.0

Jan-Erik Ekberg, N. Asokan, Thomas Nyman

arxiv:1409.1023 v2 · 2014-09-03 · 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{4VOUEYBJ5HNHKPSAKGTJXUADNO}

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	2026-05-18T02:43:10.431151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55d426029e9da753e4051a69bd0036bb9adf9c3b5d0c7cc7cd6d9947a8e366e

Aliases

arxiv: 1409.1023 · arxiv_version: 1409.1023v2 · doi: 10.48550/arxiv.1409.1023 · pith_short_12: 4VOUEYBJ5HNH · pith_short_16: 4VOUEYBJ5HNHKPSA · pith_short_8: 4VOUEYBJ

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/4VOUEYBJ5HNHKPSAKGTJXUADNO \
  | 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: e55d426029e9da753e4051a69bd0036bb9adf9c3b5d0c7cc7cd6d9947a8e366e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ae0799c7b965dbc7a51e44755b8154188cb77014244390b14642af19a03514",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-09-03T10:24:44Z",
    "title_canon_sha256": "be76d93126bfbd181bffb1797461f5265df93b692bced0a3ae76d668d22e4e21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1023",
    "kind": "arxiv",
    "version": 2
  }
}