Pith Number

pith:NN33VFCT

pith:2012:NN33VFCTTMTBIA4DXNAKI4XXWR

not attested not anchored not stored refs pending

De-Sitter-spacetime instability from a nonstandard vector field

F. R. Klinkhamer, V. Emelyanov

arxiv:1204.5085 v7 · 2012-04-23 · 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{NN33VFCTTMTBIA4DXNAKI4XXWR}

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	2026-05-18T01:57:47.309901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b77ba94539b26140383bb40a472f7b454c8ce562648d5b3437b30d116b50d7f

Aliases

arxiv: 1204.5085 · arxiv_version: 1204.5085v7 · doi: 10.48550/arxiv.1204.5085 · pith_short_12: NN33VFCTTMTB · pith_short_16: NN33VFCTTMTBIA4D · pith_short_8: NN33VFCT

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/NN33VFCTTMTBIA4DXNAKI4XXWR \
  | 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: 6b77ba94539b26140383bb40a472f7b454c8ce562648d5b3437b30d116b50d7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "598fa9303bb9b38723b8103b303d4a3eb59ba58927ecad6fd7562d15995157e8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-04-23T15:26:54Z",
    "title_canon_sha256": "f1381bc51c1a091d6347ee41989566cccf455bf906d97efac223a36137d46f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5085",
    "kind": "arxiv",
    "version": 7
  }
}