Pith Number

pith:PPQIA42M

pith:2023:PPQIA42M6WGICBFU7SUGA6AE3P

not attested not anchored not stored refs pending

Continuous sensing and parameter estimation with the boundary time-crystal

Albert Cabot, Federico Carollo, Igor Lesanovsky

arxiv:2307.13277 v2 · 2023-07-25 · 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{PPQIA42M6WGICBFU7SUGA6AE3P}

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	2026-07-05T08:54:02.978448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be080734cf58c8104b4fca8607804dbc4fae0c294eed9b01976ead5576ebd17

Aliases

arxiv: 2307.13277 · arxiv_version: 2307.13277v2 · doi: 10.48550/arxiv.2307.13277 · pith_short_12: PPQIA42M6WGI · pith_short_16: PPQIA42M6WGICBFU · pith_short_8: PPQIA42M

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/PPQIA42M6WGICBFU7SUGA6AE3P \
  | 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: 7be080734cf58c8104b4fca8607804dbc4fae0c294eed9b01976ead5576ebd17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66ebcbd896cc3cc74b296ec9746337846c90f80b723940ab119c4a2545195f8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-07-25T06:18:59Z",
    "title_canon_sha256": "62d4266c3005b30d0a7a29c7dc23c91faf9a2e8c7edec07f044668d596d52857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.13277",
    "kind": "arxiv",
    "version": 2
  }
}