Pith Number

pith:4DPJMZ7X

pith:2015:4DPJMZ7X7KQMZXHPRYDFRSCLES

not attested not anchored not stored refs pending

Brief reply to "Can gravity account for the emergence of classicality?"

Fabio Costa, Igor Pikovski, Magdalena Zych, \v{C}aslav Brukner

arxiv:1509.07767 v1 · 2015-09-24 · gr-qc · 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{4DPJMZ7X7KQMZXHPRYDFRSCLES}

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	2026-05-18T01:32:02.003213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0de9667f7faa0ccdcef8e0658c84b24a7b64e560879ef127e6b1c0aca5cbcae

Aliases

arxiv: 1509.07767 · arxiv_version: 1509.07767v1 · doi: 10.48550/arxiv.1509.07767 · pith_short_12: 4DPJMZ7X7KQM · pith_short_16: 4DPJMZ7X7KQMZXHP · pith_short_8: 4DPJMZ7X

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/4DPJMZ7X7KQMZXHPRYDFRSCLES \
  | 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: e0de9667f7faa0ccdcef8e0658c84b24a7b64e560879ef127e6b1c0aca5cbcae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5db488fd6969e6a4e1272e19a2715221a1e1e524727d2f4c1e978bcb240cb6b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-24T15:29:59Z",
    "title_canon_sha256": "c0fe985ac4ca764bfc6b212f48ff419a5dff3ba41ccaec2c58d04f9431be3c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07767",
    "kind": "arxiv",
    "version": 1
  }
}