Pith Number

pith:CQ7HUWOO

pith:2016:CQ7HUWOOP5YNQA5YFB2X5KWA57

not attested not anchored not stored refs pending

Response to "Verifying quantum superpositions at metre scales"

A. Sugarbaker, C. A. Donnelly, C. Overstreet, J. M. Hogan, M. A. Kasevich, P. Asenbaum, S. M. Dickerson, T. Kovachy

arxiv:1607.03485 v1 · 2016-07-12 · quant-ph · physics.atom-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{CQ7HUWOOP5YNQA5YFB2X5KWA57}

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	2026-05-18T01:11:07.789111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

143e7a59ce7f70d803b828757eaac0efc34c0455e3e075a0ef0539ecf00c1b56

Aliases

arxiv: 1607.03485 · arxiv_version: 1607.03485v1 · doi: 10.48550/arxiv.1607.03485 · pith_short_12: CQ7HUWOOP5YN · pith_short_16: CQ7HUWOOP5YNQA5Y · pith_short_8: CQ7HUWOO

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/CQ7HUWOOP5YNQA5YFB2X5KWA57 \
  | 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: 143e7a59ce7f70d803b828757eaac0efc34c0455e3e075a0ef0539ecf00c1b56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f883497f3adbea40dbb50acae3369823eef407b95a9d5136318429b8fceca120",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-07-12T02:09:37Z",
    "title_canon_sha256": "6c0102baa732f092944feb15716ac6a074c0371bab1ac35fbe3d256de0a813b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03485",
    "kind": "arxiv",
    "version": 1
  }
}