Pith Number

pith:BCDHT47L

pith:2025:BCDHT47LJD6IL54JBKLCGFZTGX

not attested not anchored not stored refs pending

Geometric Invariants of Quantum Metrology

Christopher Wilson, John Drew Wilson, Luke Coffman, Murray J. Holland, Shah Saad Alam

arxiv:2507.06128 v1 · 2025-07-08 · quant-ph · physics.atom-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{BCDHT47LJD6IL54JBKLCGFZTGX}

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	2026-07-05T11:33:41.630436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

088679f3eb48fc85f7890a9623173335dd0ec00b61376126671fe94ee37ef7d2

Aliases

arxiv: 2507.06128 · arxiv_version: 2507.06128v1 · doi: 10.48550/arxiv.2507.06128 · pith_short_12: BCDHT47LJD6I · pith_short_16: BCDHT47LJD6IL54J · pith_short_8: BCDHT47L

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/BCDHT47LJD6IL54JBKLCGFZTGX \
  | 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: 088679f3eb48fc85f7890a9623173335dd0ec00b61376126671fe94ee37ef7d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5100a23eb8e51f038bb1c43fae2a3d911d9d51c93382a722b127301db884f794",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-08T16:15:19Z",
    "title_canon_sha256": "00a0f8698e8ec38ec3120146d035f111ca53c93efbf158f9116cfcae6510751e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06128",
    "kind": "arxiv",
    "version": 1
  }
}