Pith Number

pith:FKZ4YCSB

pith:2012:FKZ4YCSBFNWQHJD2OAQ22IDTGJ

not attested not anchored not stored refs pending

Finding low-energy conformations of lattice protein models by quantum annealing

Al\'an Aspuru-Guzik, Alejandro Perdomo-Ortiz, Geordie Rose, Marshall Drew-Brook, Neil Dickson

arxiv:1204.5485 v1 · 2012-04-24 · 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{FKZ4YCSBFNWQHJD2OAQ22IDTGJ}

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	2026-05-18T03:57:02.286882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab3cc0a412b6d03a47a7021ad2073326d134c0e78705493dbd484791b9d530f

Aliases

arxiv: 1204.5485 · arxiv_version: 1204.5485v1 · doi: 10.48550/arxiv.1204.5485 · pith_short_12: FKZ4YCSBFNWQ · pith_short_16: FKZ4YCSBFNWQHJD2 · pith_short_8: FKZ4YCSB

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/FKZ4YCSBFNWQHJD2OAQ22IDTGJ \
  | 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: 2ab3cc0a412b6d03a47a7021ad2073326d134c0e78705493dbd484791b9d530f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89677f121846c8d98020d17bff2fb83985a2ac2258cbd9302417f1690cbe02aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-24T20:01:02Z",
    "title_canon_sha256": "9fe4baaa1a71eee8c29b492fef581348ca4e2b002c877c1cc2ed1865dc0f080a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5485",
    "kind": "arxiv",
    "version": 1
  }
}