Pith Number

pith:K76UBMAH

pith:2026:K76UBMAHIIM74HCJHJNCPHSDBQ

not attested not anchored not stored refs pending

Certified Optimal Measurement Reduction over Quantum Context Landscapes

Federico Zahariev, Vanda Glezakou

arxiv:2607.16866 v1 · 2026-07-18 · quant-ph · physics.chem-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{K76UBMAHIIM74HCJHJNCPHSDBQ}

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	2026-07-21T01:21:02.947342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc

Aliases

arxiv: 2607.16866 · arxiv_version: 2607.16866v1 · doi: 10.48550/arxiv.2607.16866 · pith_short_12: K76UBMAHIIM7 · pith_short_16: K76UBMAHIIM74HCJ · pith_short_8: K76UBMAH

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/K76UBMAHIIM74HCJHJNCPHSDBQ \
  | 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: 57fd40b0074219fe1c493a5a279e430c0fc502152b97b094e04f5729cabaabdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f7c7ddf7906b2f55115c758f47848069aa02a5964e2edc25f8ff22f5924c784",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-18T16:06:52Z",
    "title_canon_sha256": "14b807b6a1738fc33221cd12cc0c98e15147278029c5cd8935611fb457542f36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16866",
    "kind": "arxiv",
    "version": 1
  }
}