Pith Number

pith:ANDM624F

pith:2020:ANDM624FQIPYYC3BLOEIZQ34LP

not attested not anchored not stored refs pending

Exponential speedup in measuring out-of-time-ordered correlators with a single bit of quantum information

Naga Dileep Varikuti, Sreeram PG, Vaibhav Madhok

arxiv:2009.03415 v1 · 2020-09-07 · 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{ANDM624FQIPYYC3BLOEIZQ34LP}

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	2026-07-05T02:23:45.960642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0346cf6b85821f8c0b615b888cc37c5bf8de36a2ea782cdd55a893b32d37fb4d

Aliases

arxiv: 2009.03415 · arxiv_version: 2009.03415v1 · doi: 10.48550/arxiv.2009.03415 · pith_short_12: ANDM624FQIPY · pith_short_16: ANDM624FQIPYYC3B · pith_short_8: ANDM624F

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/ANDM624FQIPYYC3BLOEIZQ34LP \
  | 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: 0346cf6b85821f8c0b615b888cc37c5bf8de36a2ea782cdd55a893b32d37fb4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc2e66a4c12dd8ec87773b9335b524ce3841d871a31af33648d730baeef7903c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-07T20:54:15Z",
    "title_canon_sha256": "162f676b64b68100bfff6e4ad403fa4c1ce469217bc8c435e440ba31cec5361f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03415",
    "kind": "arxiv",
    "version": 1
  }
}