Pith Number

pith:SUGOO2FB

pith:2019:SUGOO2FBW27ONJAXJJQ4JIJP4U

not attested not anchored not stored refs pending

Thin-shell toroidal wormhole

Burkhard Kleihaus, Jutta Kunz, Vladimir Dzhunushaliev, Vladimir Folomeev

arxiv:1901.07545 v2 · 2019-01-22 · 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{SUGOO2FBW27ONJAXJJQ4JIJP4U}

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	2026-05-17T23:52:38.268264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

950ce768a1b6bee6a4174a61c4a12fe501fe2bacebaa0722adcd5853e001024f

Aliases

arxiv: 1901.07545 · arxiv_version: 1901.07545v2 · doi: 10.48550/arxiv.1901.07545 · pith_short_12: SUGOO2FBW27O · pith_short_16: SUGOO2FBW27ONJAX · pith_short_8: SUGOO2FB

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/SUGOO2FBW27ONJAXJJQ4JIJP4U \
  | 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: 950ce768a1b6bee6a4174a61c4a12fe501fe2bacebaa0722adcd5853e001024f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d105d2fba19f8043e57643567d99647990c4346f3f2c8ddc9134f08d2b041a0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-22T05:58:28Z",
    "title_canon_sha256": "a15df15435021170af87cbb9cf1ac62e004405df220793f4c5fa1f9cafc56e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07545",
    "kind": "arxiv",
    "version": 2
  }
}