Pith Number

pith:4T2XHHG3

pith:1998:4T2XHHG3JDX6UOPYFU5EVBMUH4

not attested not anchored not stored refs pending

Loss of Quantum Coherence and Positivity of Energy Density in Semiclassical Quantum Gravity

Kwang-Sup Soh, Sang Pyo Kim

arxiv:gr-qc/9807023 v2 · 1998-07-09 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4T2XHHG3JDX6UOPYFU5EVBMUH4}

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	2026-07-04T14:26:12.658782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4f5739cdb48efea39f82d3a4a85943f312267a0ec9b7d83f7724c0f5dee61c3

Aliases

arxiv: gr-qc/9807023 · arxiv_version: gr-qc/9807023v2 · doi: 10.48550/arxiv.gr-qc/9807023 · pith_short_12: 4T2XHHG3JDX6 · pith_short_16: 4T2XHHG3JDX6UOPY · pith_short_8: 4T2XHHG3

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/4T2XHHG3JDX6UOPYFU5EVBMUH4 \
  | 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: e4f5739cdb48efea39f82d3a4a85943f312267a0ec9b7d83f7724c0f5dee61c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb59b4124f7f34e8ff6e409362916682a649f8296529ed85a164d1c6897d7e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-07-09T23:46:42Z",
    "title_canon_sha256": "c533e03ddd0d7f339df8a71428f3ac17141492f3a1b3cd429af9dec1e211934f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9807023",
    "kind": "arxiv",
    "version": 2
  }
}