Pith Number

pith:YJGIGD4F

pith:2006:YJGIGD4FKOFOB2RFYTN2MZUGWX

not attested not anchored not stored refs pending

Hawking-Unruh effect and the entanglement of two-mode squeezed states in Riemannian spacetime

D. Ahn, M. S. Kim

arxiv:quant-ph/0604007 v3 · 2006-04-02 · quant-ph · 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{YJGIGD4FKOFOB2RFYTN2MZUGWX}

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.

Cited by

1 paper in Pith

Relative entropy of single-mode squeezed states in Quantum Field Theory

Receipt and verification

First computed	2026-07-04T15:20:06.215897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c24c830f85538ae0ea25c4dba66686b5f9099ba99732b8c37e21cd7a1befa222

Aliases

arxiv: quant-ph/0604007 · arxiv_version: quant-ph/0604007v3 · doi: 10.48550/arxiv.quant-ph/0604007 · pith_short_12: YJGIGD4FKOFO · pith_short_16: YJGIGD4FKOFOB2RF · pith_short_8: YJGIGD4F

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/YJGIGD4FKOFOB2RFYTN2MZUGWX \
  | 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: c24c830f85538ae0ea25c4dba66686b5f9099ba99732b8c37e21cd7a1befa222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1b3a23a5aea97321941da273fcd16c157970a8021eadefdedbab74b11e760b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-04-02T14:14:25Z",
    "title_canon_sha256": "460302e19c2f574760355a4023ef3b3d244dbfccc8eb3398e397a690e3287f8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0604007",
    "kind": "arxiv",
    "version": 3
  }
}