Pith Number

pith:WK6RCWLW

pith:1997:WK6RCWLWZVZCPLHT5XKLOIRT3S

not attested not anchored not stored refs pending

Gravitational vacuum polarization IV: Energy conditions in the Unruh vacuum

Matt Visser (Washington University)

arxiv:gr-qc/9703001 v1 · 1997-02-28 · gr-qc · 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{WK6RCWLWZVZCPLHT5XKLOIRT3S}

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

2 papers in Pith

Hawking radiation from a semi-classical Schwarzschild black hole

Revisiting Schwarzschild's constant density star in isotropic coordinates

Receipt and verification

First computed	2026-07-04T16:04:36.397553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2bd115976cd7227acf3edd4b72233dca98e7e9818d86ed44df44f17f1058f30

Aliases

arxiv: gr-qc/9703001 · arxiv_version: gr-qc/9703001v1 · doi: 10.48550/arxiv.gr-qc/9703001 · pith_short_12: WK6RCWLWZVZC · pith_short_16: WK6RCWLWZVZCPLHT · pith_short_8: WK6RCWLW

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/WK6RCWLWZVZCPLHT5XKLOIRT3S \
  | 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: b2bd115976cd7227acf3edd4b72233dca98e7e9818d86ed44df44f17f1058f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2836c8fdf9f1d35f5969ad6f04b93e696586ba71c7412a7959520ad5abddcd12",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-02-28T22:45:45Z",
    "title_canon_sha256": "0e421842fcf649e0f88996969d3961874717e8d9926ddd1e2777beb77ccfe18e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9703001",
    "kind": "arxiv",
    "version": 1
  }
}