Pith Number

pith:LXSLZKMJ

pith:2025:LXSLZKMJ34CDQMI5IPTNJVF6NP

not attested not anchored not stored refs pending

Big Bird: Resilient Privacy Budgeting Across Untrusted Web Domains

Alison Caulfield, Asaf Cidon, Benjamin Case, Giorgio Cavicchioli, Mark Chen, Martin Thomson, Mathias L\'ecuyer, Pierre Tholoniat, Roxana Geambasu

arxiv:2506.05290 v3 · 2025-06-05 · 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{LXSLZKMJ34CDQMI5IPTNJVF6NP}

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	2026-05-17T23:39:17.945055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5de4bca989df0438311d43e6d4d4be6bed517eb9d18f85c535a0a77320dd5ee8

Aliases

arxiv: 2506.05290 · arxiv_version: 2506.05290v3 · doi: 10.48550/arxiv.2506.05290 · pith_short_12: LXSLZKMJ34CD · pith_short_16: LXSLZKMJ34CDQMI5 · pith_short_8: LXSLZKMJ

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/LXSLZKMJ34CDQMI5IPTNJVF6NP \
  | 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: 5de4bca989df0438311d43e6d4d4be6bed517eb9d18f85c535a0a77320dd5ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f8478edd3fa593e053866ac182a33c7871a13e4abe31d152c198d64cbda26d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-05T17:45:13Z",
    "title_canon_sha256": "8a38be34db7bb03da8639c3ad10c74893c2893c68f70d06d7376b0cff15702af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.05290",
    "kind": "arxiv",
    "version": 3
  }
}