Pith Number

pith:J4IU2DLF

pith:2025:J4IU2DLFXWUEJESWVXJMDFSAV2

not attested not anchored not stored refs pending

Quantum Algorithm for Protein Side-Chain Optimisation: Comparing Quantum to Classical Methods

(2) The Hartree Centre, Anastasia Agathangelou (1), Dilhan Manawadu (2), IBM Research Europe - Zurich, Ivano Tavernelli (2) ((1) IBM Quantum, Sci-Tech), STFC

arxiv:2507.19383 v1 · 2025-07-25 · 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{J4IU2DLFXWUEJESWVXJMDFSAV2}

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	2026-07-05T11:43:24.674391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f114d0d65bda8449256add2c19640ae9c0a8cc9b20abcf9a94e308eb53c3d6c

Aliases

arxiv: 2507.19383 · arxiv_version: 2507.19383v1 · doi: 10.48550/arxiv.2507.19383 · pith_short_12: J4IU2DLFXWUE · pith_short_16: J4IU2DLFXWUEJESW · pith_short_8: J4IU2DLF

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/J4IU2DLFXWUEJESWVXJMDFSAV2 \
  | 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: 4f114d0d65bda8449256add2c19640ae9c0a8cc9b20abcf9a94e308eb53c3d6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be1aef128b1689425039c6b74a2b61d21ee1e423afc4f3e65ee8b23141ba4237",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-25T15:37:04Z",
    "title_canon_sha256": "f3d691f6356cf35672511996cf3c19b1c453d503f2b2f7ae9076a048f3460738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19383",
    "kind": "arxiv",
    "version": 1
  }
}