Pith Number

pith:QBQ443YD

pith:2026:QBQ443YDDDFMYCPR7R7IS6MU34

not attested not anchored not stored refs pending

Physics-Informed Graph Neural Networks for Surface Code Decoding via Discrete Exterior Calculus

J.Thiyagalingam, L. Petit, P. E. Trevisanutto, S. Basak, S. Dhanpal

arxiv:2607.20060 v1 · 2026-07-22 · 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{QBQ443YDDDFMYCPR7R7IS6MU34}

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	2026-07-23T01:24:57.983624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8061ce6f0318cacc09f1fc7e897994df23fad0a1e66709777bc875ae3eb3e731

Aliases

arxiv: 2607.20060 · arxiv_version: 2607.20060v1 · doi: 10.48550/arxiv.2607.20060 · pith_short_12: QBQ443YDDDFM · pith_short_16: QBQ443YDDDFMYCPR · pith_short_8: QBQ443YD

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/QBQ443YDDDFMYCPR7R7IS6MU34 \
  | 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: 8061ce6f0318cacc09f1fc7e897994df23fad0a1e66709777bc875ae3eb3e731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c12ceb5a178526926aa60dc4af100db35a1c4cefc9e78041d75bf2f9580bff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-22T12:03:14Z",
    "title_canon_sha256": "8d5d05a1bb4664423f70835885f74ececcfbfee98d10105493034bfcb515543c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20060",
    "kind": "arxiv",
    "version": 1
  }
}