Pith Number

pith:KB7WFF4E

pith:1996:KB7WFF4EVWBNXRZOEHPMUXSWIJ

not attested not anchored not stored refs pending

Gravitational vacuum polarization III: Energy conditions in the (1+1) Schwarzschild spacetime

Matt Visser (Washington University)

arxiv:gr-qc/9604009 v1 · 1996-04-03 · 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{KB7WFF4EVWBNXRZOEHPMUXSWIJ}

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

Revisiting Schwarzschild's constant density star in isotropic coordinates

Receipt and verification

First computed	2026-05-18T04:13:47.772417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507f629784ad82dbc72e21deca5e56425466647bf70139953aa639341b98ec87

Aliases

arxiv: gr-qc/9604009 · arxiv_version: gr-qc/9604009v1 · doi: 10.48550/arxiv.gr-qc/9604009 · pith_short_12: KB7WFF4EVWBN · pith_short_16: KB7WFF4EVWBNXRZO · pith_short_8: KB7WFF4E

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/KB7WFF4EVWBNXRZOEHPMUXSWIJ \
  | 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: 507f629784ad82dbc72e21deca5e56425466647bf70139953aa639341b98ec87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a90dea10ca6ff3f5ce5ad8a98b4a9d67d65cc21e4de901b388947bd45df2685",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-04-03T01:36:01Z",
    "title_canon_sha256": "c9b1b0f53d465035403143720d3da6a9351fc35e9d1533e73ab80c9916b7ac90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9604009",
    "kind": "arxiv",
    "version": 1
  }
}