Pith Number

pith:UMQ35UXI

pith:2026:UMQ35UXI7EUE6HTXRWMFCD4D7N

not attested not anchored not stored refs pending

Conditions for implementing projective measurements through continuous monitoring

Clemens Gneiting, Franco Nori, Therese Karmstrand

arxiv:2608.09639 v1 · 2026-08-10 · 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{UMQ35UXI7EUE6HTXRWMFCD4D7N}

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	2026-08-11T02:24:43.497352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a321bed2e8f9284f1e778d98510f83fb6a733e7a841ab23b7dd70f714e6639b3

Aliases

arxiv: 2608.09639 · arxiv_version: 2608.09639v1 · doi: 10.48550/arxiv.2608.09639 · pith_short_12: UMQ35UXI7EUE · pith_short_16: UMQ35UXI7EUE6HTX · pith_short_8: UMQ35UXI

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/UMQ35UXI7EUE6HTXRWMFCD4D7N \
  | 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: a321bed2e8f9284f1e778d98510f83fb6a733e7a841ab23b7dd70f714e6639b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad945ee6493290d7d1c76c48d8a258bb10f89369763c0f18e9706c4534c804d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-10T14:21:04Z",
    "title_canon_sha256": "3128b9e576bc71549aa347160e6b7e9680dd4f8166880ae31ce12647f5b22ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09639",
    "kind": "arxiv",
    "version": 1
  }
}