Pith Number

pith:XIHWASKB

pith:2026:XIHWASKBZWWX7G4QKPQ5JY3YRO

not attested not anchored not stored refs pending

Measuring a quantum system without problems

Clotilde Fermanian Kammerer, Marco Falconi, Rapha\"el Gautier

arxiv:2606.21211 v1 · 2026-06-19 · 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{XIHWASKBZWWX7G4QKPQ5JY3YRO}

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	2026-06-23T01:12:33.481767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba0f604941cdad7f9b9053e1d4e3788bbb731fae6524123d6226a36ed0cb54dd

Aliases

arxiv: 2606.21211 · arxiv_version: 2606.21211v1 · doi: 10.48550/arxiv.2606.21211 · pith_short_12: XIHWASKBZWWX · pith_short_16: XIHWASKBZWWX7G4Q · pith_short_8: XIHWASKB

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/XIHWASKBZWWX7G4QKPQ5JY3YRO \
  | 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: ba0f604941cdad7f9b9053e1d4e3788bbb731fae6524123d6226a36ed0cb54dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "301ac995de9e6ddb124273d3e0260253f2d89532f68bd1f9ec0d75db024bb008",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2026-06-19T08:27:01Z",
    "title_canon_sha256": "a54fa2bcf0b33a8d66cd9e07f0ac2736f108af8d4e5d21a0c1a057f947d3ab47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21211",
    "kind": "arxiv",
    "version": 1
  }
}