Pith Number

pith:I7WGA6T3

pith:2018:I7WGA6T3QEQBYAYS6SQYTG6QKI

not attested not anchored not stored refs pending

Preventing Attacks on Anonymous Data Collection

Alex Catarineu, Josep M. Pujol, Konark Modi, Philipp Cla{\ss}en

arxiv:1812.07927 v1 · 2018-12-19 · cs.CR · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7WGA6T3QEQBYAYS6SQYTG6QKI}

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	2026-05-17T23:57:55.516064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ec607a7b81201c0312f4a1899bd0521253233f490beb81b8b52d679ada2e2b

Aliases

arxiv: 1812.07927 · arxiv_version: 1812.07927v1 · doi: 10.48550/arxiv.1812.07927 · pith_short_12: I7WGA6T3QEQB · pith_short_16: I7WGA6T3QEQBYAYS · pith_short_8: I7WGA6T3

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/I7WGA6T3QEQBYAYS6SQYTG6QKI \
  | 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: 47ec607a7b81201c0312f4a1899bd0521253233f490beb81b8b52d679ada2e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13f599244f51a01d2c0f73fbde03cd8bbd7edeb9eecc196b63fd07dabaf88f94",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-12-19T13:13:46Z",
    "title_canon_sha256": "5f1b321e4a3006ae6eeacdf323d5c6ee62dfd4d66db0a51453c076b3b47eb8d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07927",
    "kind": "arxiv",
    "version": 1
  }
}