Pith Number

pith:GOVKJOVM

pith:2013:GOVKJOVMERKFOS47ESCUWDCVKK

not attested not anchored not stored refs pending

A clock containing a massive object in a superposition of states; what makes Penrosian wavefunction collapse tick?

Jan Zaanen, Tjerk H. Oosterkamp

arxiv:1401.0176 v4 · 2013-12-31 · 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{GOVKJOVMERKFOS47ESCUWDCVKK}

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	2026-05-18T01:03:31.304928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33aaa4baac2454574b9f24854b0c555286258d321cb3e0daa87bd6b8604d0d1c

Aliases

arxiv: 1401.0176 · arxiv_version: 1401.0176v4 · doi: 10.48550/arxiv.1401.0176 · pith_short_12: GOVKJOVMERKF · pith_short_16: GOVKJOVMERKFOS47 · pith_short_8: GOVKJOVM

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/GOVKJOVMERKFOS47ESCUWDCVKK \
  | 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: 33aaa4baac2454574b9f24854b0c555286258d321cb3e0daa87bd6b8604d0d1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8fafe1fd8c3c2a824eabc29c6633047c99a756d37a7a7a6f7e2b6dfc2948ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-31T16:46:25Z",
    "title_canon_sha256": "cda7eb66957d83498911701b8af56f1b1b165a23d6fe2736e7dda53c4d1310c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0176",
    "kind": "arxiv",
    "version": 4
  }
}