Pith Number

pith:XUFXIZLW

pith:2019:XUFXIZLWGR3QS6OU55OM67DTUF

not attested not anchored not stored refs pending

Bi-Homomorphic Lattice-Based PRFs and Unidirectional Updatable Encryption

Vipin Singh Sehrawat, Yvo Desmedt

arxiv:1908.09032 v4 · 2019-08-23 · 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{XUFXIZLWGR3QS6OU55OM67DTUF}

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	2026-07-05T01:28:48.578905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd0b74657634770979d4ef5ccf7c73a152501dbe25290451b0ff96e8576d6d44

Aliases

arxiv: 1908.09032 · arxiv_version: 1908.09032v4 · doi: 10.48550/arxiv.1908.09032 · pith_short_12: XUFXIZLWGR3Q · pith_short_16: XUFXIZLWGR3QS6OU · pith_short_8: XUFXIZLW

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/XUFXIZLWGR3QS6OU55OM67DTUF \
  | 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: bd0b74657634770979d4ef5ccf7c73a152501dbe25290451b0ff96e8576d6d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e1c9ed68530323da062dd636eba115bcc9eea1c6ba9702c56faeab9ee5c7969",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-23T20:37:10Z",
    "title_canon_sha256": "bb93f214d3d5c91688adae0610a4d9878d94f96e2eb6d17ef28b252eb3587e00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09032",
    "kind": "arxiv",
    "version": 4
  }
}