Pith Number

pith:UQJ52FRX

pith:2017:UQJ52FRXPRRE6CQ7A3C7EAEKRP

not attested not anchored not stored refs pending

General measure for macroscopic quantum states beyond "dead and alive"

Benjamin Yadin, Florian Fr\"owis, Marc-Olivier Renou, Nicolas Gisin, Pavel Sekatski, Wolfgang D\"ur

arxiv:1704.02270 v2 · 2017-04-07 · 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{UQJ52FRXPRRE6CQ7A3C7EAEKRP}

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	2026-07-05T03:56:13.062843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a413dd16377c624f0a1f06c5f2008a8bdf0c335ae4cdc3ac86b324bafbbe53f7

Aliases

arxiv: 1704.02270 · arxiv_version: 1704.02270v2 · doi: 10.48550/arxiv.1704.02270 · pith_short_12: UQJ52FRXPRRE · pith_short_16: UQJ52FRXPRRE6CQ7 · pith_short_8: UQJ52FRX

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/UQJ52FRXPRRE6CQ7A3C7EAEKRP \
  | 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: a413dd16377c624f0a1f06c5f2008a8bdf0c335ae4cdc3ac86b324bafbbe53f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5780562942a1863fb250f821b6dae04b89fba1ec110bc4528a41a04b1596dd78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-07T15:53:36Z",
    "title_canon_sha256": "660715c2cde658a0334700c0efda95010fbbb5251f5c9fb48a7e7be37235ffcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02270",
    "kind": "arxiv",
    "version": 2
  }
}