Pith Number

pith:PCXULLJZ

pith:1998:PCXULLJZ5B25Y7TZRH72NW57XB

not attested not anchored not stored refs pending

Bounds on negative energy densities in static space-times

Christopher J. Fewster, Edward Teo

arxiv:gr-qc/9812032 v2 · 1998-12-10 · 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{PCXULLJZ5B25Y7TZRH72NW57XB}

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	2026-05-18T01:08:06.205339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78af45ad39e875dc7e7989ffa6dbbfb87415a455891f22829ce5050974f94ba8

Aliases

arxiv: gr-qc/9812032 · arxiv_version: gr-qc/9812032v2 · doi: 10.48550/arxiv.gr-qc/9812032 · pith_short_12: PCXULLJZ5B25 · pith_short_16: PCXULLJZ5B25Y7TZ · pith_short_8: PCXULLJZ

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/PCXULLJZ5B25Y7TZRH72NW57XB \
  | 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: 78af45ad39e875dc7e7989ffa6dbbfb87415a455891f22829ce5050974f94ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef448f10bd3ab5e034573f1a6bd686a4b58743014011e857ebce728a17e1752e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-12-10T10:44:17Z",
    "title_canon_sha256": "b561106e5f3b95113d4cc4bf8479541539e02c05f75c30b15b7d21df1cc25316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9812032",
    "kind": "arxiv",
    "version": 2
  }
}