Pith Number

pith:WQRZHWLH

pith:2015:WQRZHWLHOW2Z6FRJ5HLLNQE2PE

not attested not anchored not stored refs pending

The role of spin in entanglement generated by expanding spacetime

Roberto Pierini, Shahpoor Moradi, Stefano Mancini

arxiv:1507.06811 v2 · 2015-07-24 · quant-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQRZHWLHOW2Z6FRJ5HLLNQE2PE}

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	2026-05-18T01:12:01.757853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42393d96775b59f1629e9d6b6c09a791fd7720c292509433cc0736f815cbf08

Aliases

arxiv: 1507.06811 · arxiv_version: 1507.06811v2 · doi: 10.48550/arxiv.1507.06811 · pith_short_12: WQRZHWLHOW2Z · pith_short_16: WQRZHWLHOW2Z6FRJ · pith_short_8: WQRZHWLH

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/WQRZHWLHOW2Z6FRJ5HLLNQE2PE \
  | 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: b42393d96775b59f1629e9d6b6c09a791fd7720c292509433cc0736f815cbf08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bee9c825f82b90679eb1271cece7cb5cee72da7b1145ebb8839a761a02f0536",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-24T11:06:30Z",
    "title_canon_sha256": "1ae5fe959e3fd1e0b31022bd03e71858143d54c5b41eb6c886603ff1698c3351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06811",
    "kind": "arxiv",
    "version": 2
  }
}