Pith Number

pith:AF6ASEU4

pith:2010:AF6ASEU4XVPKPM43GDXL37TBEW

not attested not anchored not stored refs pending

Secured histories: computing group statistics on encrypted data while preserving individual privacy

Adam J. Lee, Eleanor Rieffel, Jacob Biehl, William van Melle

arxiv:1012.2152 v2 · 2010-12-10 · 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{AF6ASEU4XVPKPM43GDXL37TBEW}

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	2026-05-18T04:23:11.484518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017c09129cbd5ea7b39b30eebdfe6125aef26bf011bc926faba5160ae34a822e

Aliases

arxiv: 1012.2152 · arxiv_version: 1012.2152v2 · doi: 10.48550/arxiv.1012.2152 · pith_short_12: AF6ASEU4XVPK · pith_short_16: AF6ASEU4XVPKPM43 · pith_short_8: AF6ASEU4

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/AF6ASEU4XVPKPM43GDXL37TBEW \
  | 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: 017c09129cbd5ea7b39b30eebdfe6125aef26bf011bc926faba5160ae34a822e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1c0716cbcbb012632670c812a19dcf65bd958550488fe89141adb29c3b7a20d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2010-12-10T01:14:07Z",
    "title_canon_sha256": "10bf0331ebdb17d92dc7fa4b2ac654dc8640929f5e11800b443001c82ed25df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2152",
    "kind": "arxiv",
    "version": 2
  }
}