Pith Number

pith:VPLLGH35

pith:2025:VPLLGH354HAFZ4DLERJFCDY23O

not attested not anchored not stored refs pending

Beyond Ground States: Physics-Inspired Optimization of Excited States of Classical Hamiltonians

Antonio Ac\'in, David Jansen, Erik Altelarrea-Ferr\'e, J\'ulia Barber\`a-Rodr\'iguez

arxiv:2507.12394 v1 · 2025-07-16 · 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{VPLLGH354HAFZ4DLERJFCDY23O}

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	2026-07-05T11:38:19.643711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd6b31f7de1c05cf06b2452510f1adb936e90beea27090a064c2485c9743e9a

Aliases

arxiv: 2507.12394 · arxiv_version: 2507.12394v1 · doi: 10.48550/arxiv.2507.12394 · pith_short_12: VPLLGH354HAF · pith_short_16: VPLLGH354HAFZ4DL · pith_short_8: VPLLGH35

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/VPLLGH354HAFZ4DLERJFCDY23O \
  | 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: abd6b31f7de1c05cf06b2452510f1adb936e90beea27090a064c2485c9743e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0e1efa6df4066e10d73385a292b0b091263d105c6bbcf4afe26821f5ee1511",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-16T16:40:49Z",
    "title_canon_sha256": "a22ebe3218af237e08c3c217e14f077efb841540312d377ebc0cff4c1b6fc446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12394",
    "kind": "arxiv",
    "version": 1
  }
}