Pith Number

pith:UHB5XAP7

pith:2023:UHB5XAP7RHZISVVKVDUJUDJUN4

not attested not anchored not stored refs pending

SPA$^\mathrm{H}$M(a,b): encoding the density information from guess Hamiltonian in quantum machine learning representations

Alberto Fabrizio, Clemence Corminboeuf, Ksenia R. Briling, Yannick Calvino Alonso

arxiv:2309.02950 v2 · 2023-09-06 · physics.chem-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{UHB5XAP7RHZISVVKVDUJUDJUN4}

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	2026-07-05T07:47:04.564489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c3db81ff89f28956aaa8e89a0d346f3ada6f61ce92d3b4197c0adac0ebff4f

Aliases

arxiv: 2309.02950 · arxiv_version: 2309.02950v2 · doi: 10.48550/arxiv.2309.02950 · pith_short_12: UHB5XAP7RHZI · pith_short_16: UHB5XAP7RHZISVVK · pith_short_8: UHB5XAP7

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/UHB5XAP7RHZISVVKVDUJUDJUN4 \
  | 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: a1c3db81ff89f28956aaa8e89a0d346f3ada6f61ce92d3b4197c0adac0ebff4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9117ed1c60811ba94194491d9685382903044880f7e7bc920a66157919e950bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2023-09-06T12:38:21Z",
    "title_canon_sha256": "a801ef49a33cc69007913171f4c391c3c799748506e4294b1f1f494f5f166de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.02950",
    "kind": "arxiv",
    "version": 2
  }
}