Pith Number

pith:D43DLBBR

pith:2012:D43DLBBRDBX2WBEOM5RHIOLGKK

not attested not anchored not stored refs pending

Localized detection of quantum entanglement through the event horizon

Andrzej Dragan, Eduardo Martin-Martinez, Jason Doukas

arxiv:1207.4275 v1 · 2012-07-18 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D43DLBBRDBX2WBEOM5RHIOLGKK}

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	2026-05-18T02:50:59.746688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f36358431186fab048e67627439665290ffdf4700cbbacc879d5ec7de1a4d0d

Aliases

arxiv: 1207.4275 · arxiv_version: 1207.4275v1 · doi: 10.48550/arxiv.1207.4275 · pith_short_12: D43DLBBRDBX2 · pith_short_16: D43DLBBRDBX2WBEO · pith_short_8: D43DLBBR

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/D43DLBBRDBX2WBEOM5RHIOLGKK \
  | 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: 1f36358431186fab048e67627439665290ffdf4700cbbacc879d5ec7de1a4d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71bcb8d75034f265e7868d1e9cef64f2cc8d75a4d4149067218c333a79b372ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-18T06:13:27Z",
    "title_canon_sha256": "4573d6f7e26eae5bf76a789db8fe28d1e5fee356cd42c61e6722e5122d1d65f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4275",
    "kind": "arxiv",
    "version": 1
  }
}