Pith Number

pith:SXTHEWFS

pith:2026:SXTHEWFSCFTYPZKYSPHE67BUTO

not attested not anchored not stored refs pending

Reduced Quantum-Reference-Frame Channels for Open Quantum Systems

Andrea Smirne, Flaminia Giacomini, Paolo Luppi, Viktoria Kabel

arxiv:2607.05578 v1 · 2026-07-06 · quant-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXTHEWFSCFTYPZKYSPHE67BUTO}

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	2026-07-08T01:18:37.741874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e67258b2116787e55893ce4f7c349bb3616311d6a461fe90f7c84c58437d5f

Aliases

arxiv: 2607.05578 · arxiv_version: 2607.05578v1 · doi: 10.48550/arxiv.2607.05578 · pith_short_12: SXTHEWFSCFTY · pith_short_16: SXTHEWFSCFTYPZKY · pith_short_8: SXTHEWFS

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/SXTHEWFSCFTYPZKYSPHE67BUTO \
  | 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: 95e67258b2116787e55893ce4f7c349bb3616311d6a461fe90f7c84c58437d5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d3066457a4f7c0700f6e0ade52b0195155091216e620e4267cca6b9857d763",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-06T19:24:27Z",
    "title_canon_sha256": "07065c36f97cf7dbcfd856e2eba3d995dc4ff29d170caa4beff6bd0a56d2b254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05578",
    "kind": "arxiv",
    "version": 1
  }
}