Pith Number

pith:JILAZN7C

pith:2014:JILAZN7CPX552BWHRGIRNZYZ2H

not attested not anchored not stored refs pending

Variations on Classical and Quantum Extractors

Mario Berta, Oleg Szehr, Omar Fawzi, Volkher B. Scholz

arxiv:1402.3279 v1 · 2014-02-13 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JILAZN7CPX552BWHRGIRNZYZ2H}

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	2026-05-18T02:31:03.962031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a160cb7e27dfbdd06c7899116e719d1cef6aa864ed6f51824812051e5174997

Aliases

arxiv: 1402.3279 · arxiv_version: 1402.3279v1 · doi: 10.48550/arxiv.1402.3279 · pith_short_12: JILAZN7CPX55 · pith_short_16: JILAZN7CPX552BWH · pith_short_8: JILAZN7C

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/JILAZN7CPX552BWHRGIRNZYZ2H \
  | 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: 4a160cb7e27dfbdd06c7899116e719d1cef6aa864ed6f51824812051e5174997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761eacb603f77fce757a3f2fa65a7bdf26d1ff25a54ebe7c1e26159d299554f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-13T20:41:36Z",
    "title_canon_sha256": "b0a429168e80ab8951acd78ae2e3dc836ddb717b1611d6f65719cc707550b5df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3279",
    "kind": "arxiv",
    "version": 1
  }
}