Pith Number

pith:I4FRXWGI

pith:2009:I4FRXWGISY57YHC24ODFQDVP7J

not attested not anchored not stored refs pending

Constraints on the quantum gravity scale from kappa - Minkowski spacetime

A. Borowiec, A. Pachol, Kumar S. Gupta, S. Meljanac

arxiv:0912.3299 v3 · 2009-12-17 · hep-th · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4FRXWGISY57YHC24ODFQDVP7J}

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	2026-05-18T04:34:46.903230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470b1bd8c8963bfc1c5ae386580eaffa6be91ef4e67d573ad971cba841d197cf

Aliases

arxiv: 0912.3299 · arxiv_version: 0912.3299v3 · doi: 10.48550/arxiv.0912.3299 · pith_short_12: I4FRXWGISY57 · pith_short_16: I4FRXWGISY57YHC2 · pith_short_8: I4FRXWGI

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/I4FRXWGISY57YHC24ODFQDVP7J \
  | 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: 470b1bd8c8963bfc1c5ae386580eaffa6be91ef4e67d573ad971cba841d197cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33aad85aa50a0a26e67f6c198479f0e1bd06c0dc0f77bf314a1b1e5f17e3c6b1",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-12-17T01:21:41Z",
    "title_canon_sha256": "3e59e7fde99454a2286116756546e3905598718a857c575602223dff8c48e462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3299",
    "kind": "arxiv",
    "version": 3
  }
}