Pith Number

pith:F7UCICPD

pith:2011:F7UCICPDHU7AZ2NTT7SJH7TBZI

not attested not anchored not stored refs pending

Making the long code shorter, with applications to the Unique Games Conjecture

Boaz Barak, David Steurer, Johan Hastad, Parikshit Gopalan, Prasad Raghavendra, Raghu Meka

arxiv:1111.0405 v1 · 2011-11-02 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7UCICPDHU7AZ2NTT7SJH7TBZI}

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	2026-05-18T00:56:54.043730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe82409e33d3e0ce9b39fe493fe61ca34fb733e8c11831a2f3439adebdf9053

Aliases

arxiv: 1111.0405 · arxiv_version: 1111.0405v1 · doi: 10.48550/arxiv.1111.0405 · pith_short_12: F7UCICPDHU7A · pith_short_16: F7UCICPDHU7AZ2NT · pith_short_8: F7UCICPD

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/F7UCICPDHU7AZ2NTT7SJH7TBZI \
  | 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: 2fe82409e33d3e0ce9b39fe493fe61ca34fb733e8c11831a2f3439adebdf9053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a1098da501df10ebc0ef4ac87107080d1cd31069c378749f51840f6dbb274a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-11-02T07:06:31Z",
    "title_canon_sha256": "d8953d43eca21e9a6cf406a795468d95e29cc35ef9383228f7a341a810699b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0405",
    "kind": "arxiv",
    "version": 1
  }
}