Pith Number

pith:2GPA22HQ

pith:2015:2GPA22HQVIKKDU5HI5OTTVKBVE

not attested not anchored not stored refs pending

(1+1)D Calculation provides evidence that quantum entanglement survives a firewall

Eduardo Martin-Martinez, Jorma Louko

arxiv:1502.07749 v2 · 2015-02-26 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GPA22HQVIKKDU5HI5OTTVKBVE}

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	2026-05-18T01:36:48.005915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d19e0d68f0aa14a1d3a7475d39d541a90b4a48f668c4b141d4308b83c1f96cd6

Aliases

arxiv: 1502.07749 · arxiv_version: 1502.07749v2 · doi: 10.48550/arxiv.1502.07749 · pith_short_12: 2GPA22HQVIKK · pith_short_16: 2GPA22HQVIKKDU5H · pith_short_8: 2GPA22HQ

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/2GPA22HQVIKKDU5HI5OTTVKBVE \
  | 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: d19e0d68f0aa14a1d3a7475d39d541a90b4a48f668c4b141d4308b83c1f96cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d94393658ec73d3d051f88b8b67e4b96222eee66d3b11fe2319cb252236012",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-26T21:00:06Z",
    "title_canon_sha256": "8654a500a41c29f39c7fc7ac0a23dfee7cbb15646740e84e686adf5ecda7b04f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07749",
    "kind": "arxiv",
    "version": 2
  }
}