Pith Number

pith:LBDTOBRG

pith:2009:LBDTOBRGQRZYWGIZTEEPH4AODB

not attested not anchored not stored refs pending

Anonymization with Worst-Case Distribution-Based Background Knowledge

Ada Wai-chee Fu, Jian Pei, Ke Wang, Philip S. Yu, Raymond Chi-Wing Wong, Yabo Xu

arxiv:0909.1127 v1 · 2009-09-07 · cs.DB · 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{LBDTOBRGQRZYWGIZTEEPH4AODB}

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	2026-07-04T15:49:04.510609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

584737062684738b19199908f3f00e1865f5078513c8e2cedae3b25969d8c514

Aliases

arxiv: 0909.1127 · arxiv_version: 0909.1127v1 · doi: 10.48550/arxiv.0909.1127 · pith_short_12: LBDTOBRGQRZY · pith_short_16: LBDTOBRGQRZYWGIZ · pith_short_8: LBDTOBRG

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/LBDTOBRGQRZYWGIZTEEPH4AODB \
  | 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: 584737062684738b19199908f3f00e1865f5078513c8e2cedae3b25969d8c514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e725daef205babc5b2f541c3e394f14a63b0a64032903f85d1d49b660e4d4ec",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2009-09-07T01:44:36Z",
    "title_canon_sha256": "3b51bbf787be678e16b137c2ba769b25f811fa4d32aa63fb781b5e1a4d5ef062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1127",
    "kind": "arxiv",
    "version": 1
  }
}