Pith Number

pith:TWFMUXLR

pith:2017:TWFMUXLRG3MPIDLLNEXQ4MPCJN

not attested not anchored not stored refs pending

Remote Document Encryption - encrypting data for e-passport holders

Eric R. Verheul

arxiv:1704.05647 v3 · 2017-04-19 · 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{TWFMUXLRG3MPIDLLNEXQ4MPCJN}

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	2026-05-18T00:42:43.600550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d8aca5d7136d8f40d6b692f0e31e24b473591522ebb26910f74c34d61585256

Aliases

arxiv: 1704.05647 · arxiv_version: 1704.05647v3 · doi: 10.48550/arxiv.1704.05647 · pith_short_12: TWFMUXLRG3MP · pith_short_16: TWFMUXLRG3MPIDLL · pith_short_8: TWFMUXLR

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/TWFMUXLRG3MPIDLLNEXQ4MPCJN \
  | 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: 9d8aca5d7136d8f40d6b692f0e31e24b473591522ebb26910f74c34d61585256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cbeb05ec01e5fe0b4596724d129fdee293c46532ca613da2945e403535bd227",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-04-19T08:33:49Z",
    "title_canon_sha256": "ad3d6b834e7bd344ce29efe19f980970264f9a4427ffe7cdd889481b2a3e9460"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05647",
    "kind": "arxiv",
    "version": 3
  }
}