Pith Number

pith:7JWL7UA5

pith:2015:7JWL7UA54Q56UNYI6BUGN4PI5C

not attested not anchored not stored refs pending

Experimental quantum annealing: case study involving the graph isomorphism problem

Kenneth M. Zick, Matthew French, Omar Shehab

arxiv:1503.06453 v1 · 2015-03-22 · quant-ph · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JWL7UA54Q56UNYI6BUGN4PI5C}

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	2026-05-18T01:36:10.872817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa6cbfd01de43bea3708f06866f1e8e897e68c4d78878b9229e8b199d02ace8d

Aliases

arxiv: 1503.06453 · arxiv_version: 1503.06453v1 · doi: 10.48550/arxiv.1503.06453 · pith_short_12: 7JWL7UA54Q56 · pith_short_16: 7JWL7UA54Q56UNYI · pith_short_8: 7JWL7UA5

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/7JWL7UA54Q56UNYI6BUGN4PI5C \
  | 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: fa6cbfd01de43bea3708f06866f1e8e897e68c4d78878b9229e8b199d02ace8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c87951762d753744a1e69b33406a470d49a9fb8cecf8aed84ebef579d29f4c42",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-22T18:24:37Z",
    "title_canon_sha256": "80ff368c6413374c2e794922c812aedad67ab58bc8449d56ec9515aa97b84d01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06453",
    "kind": "arxiv",
    "version": 1
  }
}