Pith Number

pith:43DE47IG

pith:2021:43DE47IG7TBQZCT6UEEXFCS6O4

not attested not anchored not stored refs pending

Quantum Walks, Feynman Propagators and Graph Topology on an IBM Quantum Computer

Michael McGuigan, Raffaele Miceli, Yuan Feng

arxiv:2104.06458 v2 · 2021-04-13 · quant-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43DE47IG7TBQZCT6UEEXFCS6O4}

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	2026-07-05T02:51:23.186936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6c64e7d06fcc30c8a7ea109728a5e77354f888840714a6f01250e51a7ed2247

Aliases

arxiv: 2104.06458 · arxiv_version: 2104.06458v2 · doi: 10.48550/arxiv.2104.06458 · pith_short_12: 43DE47IG7TBQ · pith_short_16: 43DE47IG7TBQZCT6 · pith_short_8: 43DE47IG

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/43DE47IG7TBQZCT6UEEXFCS6O4 \
  | 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: e6c64e7d06fcc30c8a7ea109728a5e77354f888840714a6f01250e51a7ed2247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c0c038d54547231cffd0eb922d759725d56b775244936fd84b8e2e962e1af87",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-13T19:02:42Z",
    "title_canon_sha256": "e9bda4d28f95ccdc1705a3f1b9356857bf57f48aef319a712565801eceb7be03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06458",
    "kind": "arxiv",
    "version": 2
  }
}