Pith Number

pith:SIGH7NZN

pith:2014:SIGH7NZNP2LEX4AGV43E43RNW7

not attested not anchored not stored refs pending

Fast Quantum Methods for Optimization

(2) Department of Physics, CA, Gerardo Ortiz (2), Indiana University (3), Los Alamos National Laboratory), Rolando Somma (3) ((1) Google Quantum A.I. Labs, Sergio Boixo (1), Theoretical Division, Venice

arxiv:1409.2477 v1 · 2014-09-08 · quant-ph · cond-mat.stat-mech · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIGH7NZNP2LEX4AGV43E43RNW7}

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	2026-05-18T01:42:06.526569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920c7fb72d7e964bf006af364e6e2db7e8c1aa68416cbdf71f7992ccb99aa00a

Aliases

arxiv: 1409.2477 · arxiv_version: 1409.2477v1 · doi: 10.48550/arxiv.1409.2477 · pith_short_12: SIGH7NZNP2LE · pith_short_16: SIGH7NZNP2LEX4AG · pith_short_8: SIGH7NZN

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/SIGH7NZNP2LEX4AGV43E43RNW7 \
  | 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: 920c7fb72d7e964bf006af364e6e2db7e8c1aa68416cbdf71f7992ccb99aa00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca58b4b76c204ea4044517477d24c564d560fdbb96b696229da48318d3a8dcd",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-08T19:31:17Z",
    "title_canon_sha256": "0c13c77d26722b4b3e2974e76d3520981da1a4bc1a7a5bd71d3eb77082021d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2477",
    "kind": "arxiv",
    "version": 1
  }
}