Pith Number

pith:TO476WIY

pith:2004:TO476WIYICQO52ZU57LICZNHVG

not attested not anchored not stored refs pending

Linearized warp drive and the energy conditions

Francisco S. N. Lobo, Matt Visser

arxiv:gr-qc/0412065 v1 · 2004-12-14 · 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{TO476WIYICQO52ZU57LICZNHVG}

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

The Kiselev black hole is neither perfect fluid, nor is it quintessence

Receipt and verification

First computed	2026-07-04T14:25:49.500569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb9ff591840a0eeeb34efd68165a7a980e4e2b72edc647507c59a0a3b383451

Aliases

arxiv: gr-qc/0412065 · arxiv_version: gr-qc/0412065v1 · doi: 10.48550/arxiv.gr-qc/0412065 · pith_short_12: TO476WIYICQO · pith_short_16: TO476WIYICQO52ZU · pith_short_8: TO476WIY

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/TO476WIYICQO52ZU57LICZNHVG \
  | 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: 9bb9ff591840a0eeeb34efd68165a7a980e4e2b72edc647507c59a0a3b383451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e3192e5c4e5641dcedfb04e7316edca35407bc2e0f05f29be4705b5b8710cd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-12-14T18:13:24Z",
    "title_canon_sha256": "a85a34d1954c49eb68c6f7d168b1082c3b4a99720fe96c37a68594e6e7f37648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0412065",
    "kind": "arxiv",
    "version": 1
  }
}