Pith Number

pith:3V7P72TU

pith:2014:3V7P72TUHII32SQ2ME7GDJQFDH

not attested not anchored not stored refs pending

How difficult it is to prove the quantumness of macroscropic states?

Nicolas Gisin, Nicolas Sangouard, Pavel Sekatski

arxiv:1402.2542 v1 · 2014-02-11 · 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{3V7P72TUHII32SQ2ME7GDJQFDH}

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	2026-05-18T02:43:36.445515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7effea743a11bd4a1a613e61a60519f3d8b0d19c94c58f6914ddc121381d1c

Aliases

arxiv: 1402.2542 · arxiv_version: 1402.2542v1 · doi: 10.48550/arxiv.1402.2542 · pith_short_12: 3V7P72TUHII3 · pith_short_16: 3V7P72TUHII32SQ2 · pith_short_8: 3V7P72TU

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/3V7P72TUHII32SQ2ME7GDJQFDH \
  | 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: dd7effea743a11bd4a1a613e61a60519f3d8b0d19c94c58f6914ddc121381d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "525bbd7c0801932a1fb99b1e704a6d6a402dc92a7093e9fe94d9644f629848f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-11T16:04:20Z",
    "title_canon_sha256": "cf29ba03321f9e627aff94063157635aa844293f8adf1d96b6f58252e8e70935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2542",
    "kind": "arxiv",
    "version": 1
  }
}