Pith Number

pith:MQMTKGQT

pith:2022:MQMTKGQTOA5ID5C3DIT5CRE2HD

not attested not anchored not stored refs pending

Spending Privacy Budget Fairly and Wisely

Joshua Allen, Julia Stoyanovich, Lucas Rosenblatt

arxiv:2204.12903 v1 · 2022-04-27 · cs.LG · 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{MQMTKGQTOA5ID5C3DIT5CRE2HD}

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	2026-07-05T04:47:28.080815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6419351a13703a81f45b1a27d1449a38ed385c704123d78b435bbf423c9b1e9e

Aliases

arxiv: 2204.12903 · arxiv_version: 2204.12903v1 · doi: 10.48550/arxiv.2204.12903 · pith_short_12: MQMTKGQTOA5I · pith_short_16: MQMTKGQTOA5ID5C3 · pith_short_8: MQMTKGQT

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/MQMTKGQTOA5ID5C3DIT5CRE2HD \
  | 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: 6419351a13703a81f45b1a27d1449a38ed385c704123d78b435bbf423c9b1e9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfec826b8e86e9e102f76803cff43eda8719d74da6a11c3113891687b341b9aa",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-27T13:13:56Z",
    "title_canon_sha256": "9545e7ef8173521014491e4239ac3b064ad6e43cce1296f79ef08a0196fa129a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.12903",
    "kind": "arxiv",
    "version": 1
  }
}