Pith Number

pith:KFN67GRW

pith:2021:KFN67GRWJTAMPPVE6L2H6XMCQA

not attested not anchored not stored refs pending

Intrinsic Entropy of Squeezed Quantum Fields and Nonequilibrium Quantum Dynamics of Cosmological Perturbations

Bei-Lok Hu, Jen-Tsung Hsiang

arxiv:2110.02757 v1 · 2021-10-06 · gr-qc · hep-th · 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{KFN67GRWJTAMPPVE6L2H6XMCQA}

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	2026-07-05T03:47:01.271946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515bef9a364cc0c7bea4f2f47f5d828030efdea34df88d6aabbddbfb5d0b5f8a

Aliases

arxiv: 2110.02757 · arxiv_version: 2110.02757v1 · doi: 10.48550/arxiv.2110.02757 · pith_short_12: KFN67GRWJTAM · pith_short_16: KFN67GRWJTAMPPVE · pith_short_8: KFN67GRW

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/KFN67GRWJTAMPPVE6L2H6XMCQA \
  | 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: 515bef9a364cc0c7bea4f2f47f5d828030efdea34df88d6aabbddbfb5d0b5f8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b6a0e681857fd0c97cb2c4c325cc27583f48b75715709d33c3dbc36e2e3e62",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-10-06T13:43:00Z",
    "title_canon_sha256": "91752ea0a2d99c2b5497362a0e6715517812be938fc9ab48fa7ee2ce1474d87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02757",
    "kind": "arxiv",
    "version": 1
  }
}