pith. sign in
Pith Number

pith:MPXDIK3X

pith:2006:MPXDIK3XPKZZCWFJKZ3PV4X57Y
not attested not anchored not stored refs pending

Relational EPR

Carlo Rovelli, Matteo Smerlak

arxiv:quant-ph/0604064 v3 · 2006-04-10 · quant-ph · gr-qc · physics.hist-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MPXDIK3XPKZZCWFJKZ3PV4X57Y}

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 2026-05-18T03:26:23.566767Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

63ee342b777ab39158a95676faf2fdfe1c48bcbe6668009e7fa4c2a611b895f1

Aliases

arxiv: quant-ph/0604064 · arxiv_version: quant-ph/0604064v3 · doi: 10.48550/arxiv.quant-ph/0604064 · pith_short_12: MPXDIK3XPKZZ · pith_short_16: MPXDIK3XPKZZCWFJ · pith_short_8: MPXDIK3X
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MPXDIK3XPKZZCWFJKZ3PV4X57Y \
  | 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: 63ee342b777ab39158a95676faf2fdfe1c48bcbe6668009e7fa4c2a611b895f1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f525508bfc4d60aca58bd225bda2e274c7b369f72c94f6880aad0bdd74f5a93a",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.hist-ph"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-04-10T08:47:06Z",
    "title_canon_sha256": "d97f184103714cb26b7e9d408d88ebfdac94356d5bf50ac8fb11c7230d0ec412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0604064",
    "kind": "arxiv",
    "version": 3
  }
}