Pith Number

pith:IXNWKO35

pith:2020:IXNWKO35ZFUK4VEMIQD2FZHLZS

not attested not anchored not stored refs pending

Barren plateaus preclude learning scramblers

Andreas Albrecht, Andrew Arrasmith, Andrew T. Sornborger, Bin Yan, Patrick J. Coles, Zo\"e Holmes

arxiv:2009.14808 v3 · 2020-09-30 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXNWKO35ZFUK4VEMIQD2FZHLZS}

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.

Cited by

1 paper in Pith

Scrambling Dynamics with Imperfections in a Solvable Model

Receipt and verification

First computed	2026-07-05T03:23:37.164860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45db653b7dc968ae548c4407a2e4ebcc99ddf81199197e8772555c0a71516543

Aliases

arxiv: 2009.14808 · arxiv_version: 2009.14808v3 · doi: 10.48550/arxiv.2009.14808 · pith_short_12: IXNWKO35ZFUK · pith_short_16: IXNWKO35ZFUK4VEM · pith_short_8: IXNWKO35

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/IXNWKO35ZFUK4VEMIQD2FZHLZS \
  | 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: 45db653b7dc968ae548c4407a2e4ebcc99ddf81199197e8772555c0a71516543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa8bd859a4192861219296ce2542228858016839b0ecdc938a6b09f4dd8ccaa",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-30T17:31:36Z",
    "title_canon_sha256": "038fccc94abb42e8d4c0ac36cad6674ece9dc1831a7c695ee39ff5f3fc671834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.14808",
    "kind": "arxiv",
    "version": 3
  }
}