Pith Number

pith:I47FZEUD

pith:1997:I47FZEUDNO6PBJ5IJ5ELQRGSDB

not attested not anchored not stored refs pending

Gravitational vacuum polarization

Matt Visser (Washington University)

arxiv:gr-qc/9710034 v2 · 1997-10-06 · 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{I47FZEUDNO6PBJ5IJ5ELQRGSDB}

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	2026-07-04T14:26:08.460271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473e5c92836bbcf0a7a84f48b844d21856608067c0a462323632acdf7c47f138

Aliases

arxiv: gr-qc/9710034 · arxiv_version: gr-qc/9710034v2 · doi: 10.48550/arxiv.gr-qc/9710034 · pith_short_12: I47FZEUDNO6P · pith_short_16: I47FZEUDNO6PBJ5I · pith_short_8: I47FZEUD

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/I47FZEUDNO6PBJ5IJ5ELQRGSDB \
  | 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: 473e5c92836bbcf0a7a84f48b844d21856608067c0a462323632acdf7c47f138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4766e62dc4f60afeaf0502cadf5081f0f05da61624d0c8df0fd5c52e3d8b4dd",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-10-06T16:09:46Z",
    "title_canon_sha256": "2b77bc34b27637944d19ba2f816bf61687b23bb710bf81ff6b25499b477b4e64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9710034",
    "kind": "arxiv",
    "version": 2
  }
}