pith. sign in
Pith Number

pith:OTGBABCQ

pith:2013:OTGBABCQSI5VLAOSU33W5SWRRP
not attested not anchored not stored refs pending

Time from quantum entanglement: an experimental illustration

Ekaterina Moreva, Giorgio Brida, Lorenzo Maccone, Marco Genovese, Marco Gramegna, Vittorio Giovannetti

arxiv:1310.4691 v1 · 2013-10-17 · quant-ph · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OTGBABCQSI5VLAOSU33W5SWRRP}

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 2026-05-18T02:51:06.424235Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

74cc100450923b5581d2a6f76ecad18bdddbb31b99c04912a568b5236e42d685

Aliases

arxiv: 1310.4691 · arxiv_version: 1310.4691v1 · doi: 10.48550/arxiv.1310.4691 · pith_short_12: OTGBABCQSI5V · pith_short_16: OTGBABCQSI5VLAOS · pith_short_8: OTGBABCQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OTGBABCQSI5VLAOSU33W5SWRRP \
  | 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: 74cc100450923b5581d2a6f76ecad18bdddbb31b99c04912a568b5236e42d685
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bbb8471da20bb98873920c8a844ca920b8621ce2eeb518db9a871ffc0d2f2737",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-17T13:06:04Z",
    "title_canon_sha256": "0f09397ef376af054e154ea1a8545b50586d2452e61281da2d4ba9c725d3106c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4691",
    "kind": "arxiv",
    "version": 1
  }
}