Pith Number

pith:OMVPFX22

pith:2010:OMVPFX22DMBCYJEPWYPFAZLUU7

not attested not anchored not stored refs pending

Derandomized Parallel Repetition via Structured PCPs

Irit Dinur, Or Meir

arxiv:1002.1606 v4 · 2010-02-08 · 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{OMVPFX22DMBCYJEPWYPFAZLUU7}

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	2026-05-18T02:56:11.933444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

732af2df5a1b022c248fb61e506574a7e1170faaee0d45778de32d62cc43093e

Aliases

arxiv: 1002.1606 · arxiv_version: 1002.1606v4 · doi: 10.48550/arxiv.1002.1606 · pith_short_12: OMVPFX22DMBC · pith_short_16: OMVPFX22DMBCYJEP · pith_short_8: OMVPFX22

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/OMVPFX22DMBCYJEPWYPFAZLUU7 \
  | 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: 732af2df5a1b022c248fb61e506574a7e1170faaee0d45778de32d62cc43093e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "693afa9f15e42a137156a866459d5539e05117ad293c3925009cc6ae57990389",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-02-08T13:59:28Z",
    "title_canon_sha256": "e2b66d2c8bda5454da3cce949c50f6a94ab70ba5a6946862e4824f11b5bf7708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1606",
    "kind": "arxiv",
    "version": 4
  }
}