Pith Number

pith:UOZCXVAW

pith:2016:UOZCXVAWJFK3CQYYFD6AF4WIZT

not attested not anchored not stored refs pending

Strong Hardness of Privacy from Weak Traitor Tracing

Jonathan Ullman, Lucas Kowalczyk, Mark Zhandry, Tal Malkin

arxiv:1607.06141 v1 · 2016-07-20 · cs.CR · 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{UOZCXVAWJFK3CQYYFD6AF4WIZT}

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	2026-05-18T01:10:42.380151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b22bd4164955b1431828fc02f2c8ccdd9cb045a4bae9fabd67f82a2915a564

Aliases

arxiv: 1607.06141 · arxiv_version: 1607.06141v1 · doi: 10.48550/arxiv.1607.06141 · pith_short_12: UOZCXVAWJFK3 · pith_short_16: UOZCXVAWJFK3CQYY · pith_short_8: UOZCXVAW

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/UOZCXVAWJFK3CQYYFD6AF4WIZT \
  | 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: a3b22bd4164955b1431828fc02f2c8ccdd9cb045a4bae9fabd67f82a2915a564

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98d9943025b230ae2f33631ee54eb7c3b369d1913dc33f08473821d428bd0381",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-07-20T22:31:10Z",
    "title_canon_sha256": "41ca7f9462f58d4f9c570006eb5829ad0099ad00e87bc9e683cb58d98d3c41d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06141",
    "kind": "arxiv",
    "version": 1
  }
}