Pith. sign in
Pith Number

pith:VHEG33IE

pith:2019:VHEG33IERCWXOMRXIISLZ64TWO
not attested not anchored not stored refs pending

Energy conditions for a $T^2$ wormhole at the center

Burkhard Kleihaus, Jutta Kunz, Vladimir Dzhunushaliev, Vladimir Folomeev

arxiv:1905.00296 v1 · 2019-04-30 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VHEG33IERCWXOMRXIISLZ64TWO}

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 2026-07-05T00:11:58.965891Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a9c86ded0488ad7732374224bcfb93b3b3ccf798a3b45a2a5b7866fe380ee40e

Aliases

arxiv: 1905.00296 · arxiv_version: 1905.00296v1 · doi: 10.48550/arxiv.1905.00296 · pith_short_12: VHEG33IERCWX · pith_short_16: VHEG33IERCWXOMRX · pith_short_8: VHEG33IE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VHEG33IERCWXOMRXIISLZ64TWO \
  | 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: a9c86ded0488ad7732374224bcfb93b3b3ccf798a3b45a2a5b7866fe380ee40e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ab517866497af3f981965c79b645e42d0bab3286d8d50b5c838ce231843b3282",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-30T09:11:32Z",
    "title_canon_sha256": "94a987fcf086e1fa864e74d0b5dcc87c1d66e3aeea2cbdd080f600c9e902686e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00296",
    "kind": "arxiv",
    "version": 1
  }
}