Pith Number

pith:5TOULYYH

pith:2009:5TOULYYHDWSWS6MDH6LRE27A6C

not attested not anchored not stored refs pending

Interactive Privacy via the Median Mechanism

Aaron Roth, Tim Roughgarden

arxiv:0911.1813 v2 · 2009-11-10 · cs.CR · cs.CC · cs.DB · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TOULYYHDWSWS6MDH6LRE27A6C}

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	2026-05-18T04:31:22.646419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecdd45e3071da56979833f97126be0f0b17b1b5c2a57ea0b98deca157eaae13f

Aliases

arxiv: 0911.1813 · arxiv_version: 0911.1813v2 · doi: 10.48550/arxiv.0911.1813 · pith_short_12: 5TOULYYHDWSW · pith_short_16: 5TOULYYHDWSWS6MD · pith_short_8: 5TOULYYH

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/5TOULYYHDWSWS6MDH6LRE27A6C \
  | 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: ecdd45e3071da56979833f97126be0f0b17b1b5c2a57ea0b98deca157eaae13f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2075b19343bf9e6b66cc28a935d1bb3aefee492eeb6b25a20ccb97eb90ab450",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DB",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2009-11-10T03:55:44Z",
    "title_canon_sha256": "048dbe635e39cf7fc3db35b0ec3bc0df8e41721ee473b1de4af4a776c3c36d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1813",
    "kind": "arxiv",
    "version": 2
  }
}