Pith Number

pith:4TCVJBFJ

pith:2019:4TCVJBFJWRRZJOFSPSDI7NKLCE

not attested not anchored not stored refs pending

Privacy-preserving Double Auction Mechanism Based on Homomorphic Encryption and Sorting Networks

Hong Zhong, Yin Xu, Zhili Chen

arxiv:1909.07637 v1 · 2019-09-17 · 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{4TCVJBFJWRRZJOFSPSDI7NKLCE}

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	2026-07-05T00:05:16.295359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c55484a9b46394b8b27c868fb54b11180a35b7f510b97fb1e3c75d33e7146d

Aliases

arxiv: 1909.07637 · arxiv_version: 1909.07637v1 · doi: 10.48550/arxiv.1909.07637 · pith_short_12: 4TCVJBFJWRRZ · pith_short_16: 4TCVJBFJWRRZJOFS · pith_short_8: 4TCVJBFJ

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/4TCVJBFJWRRZJOFSPSDI7NKLCE \
  | 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: e4c55484a9b46394b8b27c868fb54b11180a35b7f510b97fb1e3c75d33e7146d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f172910a13e787310df33fb5e035c5b6b815682d47f50d1fa2ad23914007b05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-09-17T07:58:17Z",
    "title_canon_sha256": "158345b37240f11e69b077c0cf732ae6b4ce159c285783608838ac29bb691ac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07637",
    "kind": "arxiv",
    "version": 1
  }
}