Pith Number

pith:MQC5BLST

pith:2017:MQC5BLST2OXG4VYJUP5IIXI74G

not attested not anchored not stored refs pending

Secure SURF with Fully Homomorphic Encryption

Ali Shokoufandeh, Thomas Shortell

arxiv:1707.05905 v1 · 2017-07-19 · cs.CV · 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{MQC5BLST2OXG4VYJUP5IIXI74G}

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	2026-05-18T00:39:58.980884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6405d0ae53d3ae6e5709a3fa845d1fe1ad7aba2f14451b9e4e43afc00da0e8aa

Aliases

arxiv: 1707.05905 · arxiv_version: 1707.05905v1 · doi: 10.48550/arxiv.1707.05905 · pith_short_12: MQC5BLST2OXG · pith_short_16: MQC5BLST2OXG4VYJ · pith_short_8: MQC5BLST

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/MQC5BLST2OXG4VYJUP5IIXI74G \
  | 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: 6405d0ae53d3ae6e5709a3fa845d1fe1ad7aba2f14451b9e4e43afc00da0e8aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef13b39c57366ee354f9d384c5e4e3d1fb137c2ac473bf90bd2295215052cd8",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-19T00:30:23Z",
    "title_canon_sha256": "d964c5f70f110e178d4e79112b40de7d717d2f033fcaf07bb8782ed3fecdfd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05905",
    "kind": "arxiv",
    "version": 1
  }
}