Pith Number

pith:S6MIKOYD

pith:2015:S6MIKOYDFRUEH7GJKAAFEZU65U

not attested not anchored not stored refs pending

Supplementary Materials for "How to Avoid Reidentification with Proper Anonymization"- Comment on "Unique in the shopping mall: on the reidentifiability of credit card metadata"

David S\'anchez, Josep Domingo-Ferrer, Sergio Mart\'inez

arxiv:1511.05957 v2 · 2015-11-18 · 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{S6MIKOYDFRUEH7GJKAAFEZU65U}

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	2026-05-18T01:18:54.122745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9798853b032c6843fcc9500052669eed022d97472ee8611aa824205728276b83

Aliases

arxiv: 1511.05957 · arxiv_version: 1511.05957v2 · doi: 10.48550/arxiv.1511.05957 · pith_short_12: S6MIKOYDFRUE · pith_short_16: S6MIKOYDFRUEH7GJ · pith_short_8: S6MIKOYD

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/S6MIKOYDFRUEH7GJKAAFEZU65U \
  | 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: 9798853b032c6843fcc9500052669eed022d97472ee8611aa824205728276b83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c831829265d5d4434fe05d0ce661f45106cbd8fe7d62603b59200db5cde6d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-11-18T09:34:11Z",
    "title_canon_sha256": "3d646b9387cbc0edf4f1b2802fe6781176dc51b485105bb621a4377f8e731092"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05957",
    "kind": "arxiv",
    "version": 2
  }
}