Pith Number

pith:R7IZST7V

pith:2025:R7IZST7VPEJHNGJ6LY5YAA7RDB

not attested not anchored not stored refs pending

Synopsis: Secure and private trend inference from encrypted semantic embeddings

Madelyne Xiao, Micha Gorelick, Palak Jain, Sarah Scheffler

arxiv:2505.23880 v1 · 2025-05-29 · 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{R7IZST7VPEJHNGJ6LY5YAA7RDB}

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	2026-07-05T11:12:37.218678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd1994ff5791276993e5e3b8003f1185099fdebf89d0a81f17e8fbd38d267cd

Aliases

arxiv: 2505.23880 · arxiv_version: 2505.23880v1 · doi: 10.48550/arxiv.2505.23880 · pith_short_12: R7IZST7VPEJH · pith_short_16: R7IZST7VPEJHNGJ6 · pith_short_8: R7IZST7V

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/R7IZST7VPEJHNGJ6LY5YAA7RDB \
  | 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: 8fd1994ff5791276993e5e3b8003f1185099fdebf89d0a81f17e8fbd38d267cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3984084729984e250d79ba6928550f22ae0b33d954c0d40957002130335f1375",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-29T17:34:10Z",
    "title_canon_sha256": "1bc263a851d37193ad0d92e1b0ac151d5a01bd8d34a93cf6964ea0592ed80fea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23880",
    "kind": "arxiv",
    "version": 1
  }
}