Pith Number

pith:NWMK4KQU

pith:2003:NWMK4KQUD5F5Q3OKESGOQEEG5D

not attested not anchored not stored refs pending

A note on the triviality of kappa-deformations of gravity

D. Grumiller, D.V. Vassilevich, W. Kummer

arxiv:hep-th/0301061 v2 · 2003-01-10 · hep-th · 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{NWMK4KQUD5F5Q3OKESGOQEEG5D}

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	2026-05-18T02:35:53.186412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d98ae2a141f4bd86dca248ce81086e8d82e7d99af8753045c23868bc53c21fd

Aliases

arxiv: hep-th/0301061 · arxiv_version: hep-th/0301061v2 · doi: 10.48550/arxiv.hep-th/0301061 · pith_short_12: NWMK4KQUD5F5 · pith_short_16: NWMK4KQUD5F5Q3OK · pith_short_8: NWMK4KQU

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/NWMK4KQUD5F5Q3OKESGOQEEG5D \
  | 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: 6d98ae2a141f4bd86dca248ce81086e8d82e7d99af8753045c23868bc53c21fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490adc567a8848a4a24e60040fd052594f9c17f25a9484537ed4406e69ab4f86",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-01-10T10:26:47Z",
    "title_canon_sha256": "880599d9626efeb9b67aea0c846a2cadc4e165314b08698c77f23dc1cb2a7abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0301061",
    "kind": "arxiv",
    "version": 2
  }
}