Pith Number

pith:EWHKEVSP

pith:2022:EWHKEVSPCHEQZYGPOCSYHSPXWZ

not attested not anchored not stored refs pending

High-accuracy Hamiltonian learning via delocalized quantum state evolutions

Davide Rattacaso, Gianluca Passarelli, Procolo Lucignano

arxiv:2204.03997 v3 · 2022-04-08 · 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{EWHKEVSPCHEQZYGPOCSYHSPXWZ}

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	2026-07-05T05:36:03.472322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

258ea2564f11c90ce0cf70a583c9f7b6715dbb5d767a6ff2e38e353d80ae8dd7

Aliases

arxiv: 2204.03997 · arxiv_version: 2204.03997v3 · doi: 10.48550/arxiv.2204.03997 · pith_short_12: EWHKEVSPCHEQ · pith_short_16: EWHKEVSPCHEQZYGP · pith_short_8: EWHKEVSP

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/EWHKEVSPCHEQZYGPOCSYHSPXWZ \
  | 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: 258ea2564f11c90ce0cf70a583c9f7b6715dbb5d767a6ff2e38e353d80ae8dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db466aa261cfca8520f6852702b6a6fa35a927785523e51fed0124744bd7798c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-04-08T11:06:07Z",
    "title_canon_sha256": "6fdfe145f38bc1ca343825f46b2bd9ae3a8979bff92c246b27648886dae4de59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03997",
    "kind": "arxiv",
    "version": 3
  }
}