Pith Number

pith:WQGGIAGL

pith:2026:WQGGIAGLP5Y7UDK6F7TAMTJWQP

not attested not anchored not stored refs pending

Structure-Agnostic Unitary Learning from Quantum Observable Dynamics with Application to Hamiltonian Identification

Mohamed Berkani

arxiv:2607.15316 v1 · 2026-07-16 · 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{WQGGIAGLP5Y7UDK6F7TAMTJWQP}

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	2026-07-20T00:18:26.542593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b40c6400cb7f71fa0d5e2fe6064d3683dccd4ce847c960a666419f0bd83ac742

Aliases

arxiv: 2607.15316 · arxiv_version: 2607.15316v1 · doi: 10.48550/arxiv.2607.15316 · pith_short_12: WQGGIAGLP5Y7 · pith_short_16: WQGGIAGLP5Y7UDK6 · pith_short_8: WQGGIAGL

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/WQGGIAGLP5Y7UDK6F7TAMTJWQP \
  | 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: b40c6400cb7f71fa0d5e2fe6064d3683dccd4ce847c960a666419f0bd83ac742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95766fabfe5bec73120ca89c0974259347fcd7ee65b409a81550c5e4453361c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-16T02:27:54Z",
    "title_canon_sha256": "471771021b7f8107143ccf8b8c6a99c324a1f1a0e3fb6fe7f0ee88acf3629f00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15316",
    "kind": "arxiv",
    "version": 1
  }
}