Pith Number

pith:MQSXRM7T

pith:2009:MQSXRM7TDKNFQ4N5XZD6Q3KFOE

not attested not anchored not stored refs pending

Relativistic entanglement of two massive particles

Beatrix C. Hiesmayr, Marcus Huber, Nicolai Friis, Reinhold A. Bertlmann

arxiv:0912.4863 v2 · 2009-12-24 · 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{MQSXRM7TDKNFQ4N5XZD6Q3KFOE}

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	2026-05-18T04:03:32.712917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642578b3f31a9a5871bdbe47e86d45713c3b2c06a18be1f877b0a1033a8cae35

Aliases

arxiv: 0912.4863 · arxiv_version: 0912.4863v2 · doi: 10.48550/arxiv.0912.4863 · pith_short_12: MQSXRM7TDKNF · pith_short_16: MQSXRM7TDKNFQ4N5 · pith_short_8: MQSXRM7T

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/MQSXRM7TDKNFQ4N5XZD6Q3KFOE \
  | 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: 642578b3f31a9a5871bdbe47e86d45713c3b2c06a18be1f877b0a1033a8cae35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce5cce9b9fa8dffa678a95872fe68ce8a3d24522f1589109668f15f5d928087",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-24T13:59:54Z",
    "title_canon_sha256": "eb169745d42742bc6af03cfff69ebdfd97e0ca811b4b921639950ca0e6557077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4863",
    "kind": "arxiv",
    "version": 2
  }
}