Pith Number

pith:7R4PF6RW

pith:2012:7R4PF6RWRIUJQYVOBWFR5SMPFC

not attested not anchored not stored refs pending

Calibrating Data to Sensitivity in Private Data Analysis

Davide Proserpio, Frank McSherry, Sharon Goldberg

arxiv:1203.3453 v5 · 2012-03-15 · cs.CR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R4PF6RWRIUJQYVOBWFR5SMPFC}

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	2026-05-18T02:21:17.042974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc78f2fa368a289862ae0d8b1ec98f28a78ab12d0b0a383af32c20b7a1e4e542

Aliases

arxiv: 1203.3453 · arxiv_version: 1203.3453v5 · doi: 10.48550/arxiv.1203.3453 · pith_short_12: 7R4PF6RWRIUJ · pith_short_16: 7R4PF6RWRIUJQYVO · pith_short_8: 7R4PF6RW

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/7R4PF6RWRIUJQYVOBWFR5SMPFC \
  | 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: fc78f2fa368a289862ae0d8b1ec98f28a78ab12d0b0a383af32c20b7a1e4e542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cc4513375e4b7a022afa598421c444ea0cbcf7ae6eab4995a6b25eabde2820e",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-03-15T19:45:04Z",
    "title_canon_sha256": "1f4fe77506f535d2399a91915e78b25286ded1fdf3452110e62842c3a7925803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3453",
    "kind": "arxiv",
    "version": 5
  }
}