Pith Number

pith:R7HDJLMM

pith:2014:R7HDJLMMFW4SSYDRV3BHHZWT7L

not attested not anchored not stored refs pending

Quantum vampire: collapse-free action at a distance by the photon annihilation operator

A. I. Lvovsky, Alexander E. Ulanov, Ilya A. Fedorov, Yury V. Kurochkin

arxiv:1408.1769 v1 · 2014-08-08 · 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{R7HDJLMMFW4SSYDRV3BHHZWT7L}

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	2026-05-18T02:14:17.854798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fce34ad8c2db9296071aec273e6d3faf4bead071be0d38b42b5d0f0e57daef6

Aliases

arxiv: 1408.1769 · arxiv_version: 1408.1769v1 · doi: 10.48550/arxiv.1408.1769 · pith_short_12: R7HDJLMMFW4S · pith_short_16: R7HDJLMMFW4SSYDR · pith_short_8: R7HDJLMM

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/R7HDJLMMFW4SSYDRV3BHHZWT7L \
  | 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: 8fce34ad8c2db9296071aec273e6d3faf4bead071be0d38b42b5d0f0e57daef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "111aae51c3ae313f9bcac8d9ac6ea6ab11d2ff314a61758ab5dea4f1f42aba8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-08-08T07:01:03Z",
    "title_canon_sha256": "2a57d6408fca5d28f931d43a809417fb5c6b857e8050864b7160e17a26bbe61a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1769",
    "kind": "arxiv",
    "version": 1
  }
}