Pith Number

pith:SGXDY4NA

pith:2018:SGXDY4NALJ635KOREAEKIDTHEU

not attested not anchored not stored refs pending

A stealth defect of spacetime

F.R. Klinkhamer, J.M. Queiruga

arxiv:1805.04091 v5 · 2018-05-10 · 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{SGXDY4NALJ635KOREAEKIDTHEU}

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	2026-05-18T00:08:41.817920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91ae3c71a05a7dbea9d12008a40e67251d7bfa307f63e06dd06fbf767a53a08c

Aliases

arxiv: 1805.04091 · arxiv_version: 1805.04091v5 · doi: 10.48550/arxiv.1805.04091 · pith_short_12: SGXDY4NALJ63 · pith_short_16: SGXDY4NALJ635KOR · pith_short_8: SGXDY4NA

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/SGXDY4NALJ635KOREAEKIDTHEU \
  | 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: 91ae3c71a05a7dbea9d12008a40e67251d7bfa307f63e06dd06fbf767a53a08c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f924e13bda3bddc68a297bc3416769c09df039df18d937778486bebe9f127421",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-10T17:46:01Z",
    "title_canon_sha256": "ed70d3076ad85c6104b60fe146a4f516cadce945547cf80901915e0799390362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04091",
    "kind": "arxiv",
    "version": 5
  }
}