Pith Number

pith:VMUR53MN

pith:2009:VMUR53MNMPFUO2KVMRWF5AJ5Y3

not attested not anchored not stored refs pending

Gravity from spontaneous Lorentz violation

Alan Kostelecky, Robertus Potting

arxiv:0901.0662 v1 · 2009-01-06 · gr-qc · astro-ph.CO · hep-ph · 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{VMUR53MNMPFUO2KVMRWF5AJ5Y3}

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	2026-05-18T02:15:03.247820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab291eed8d63cb476955646c5e813dc6fd545cd32a320c542d9ee307b3adba9b

Aliases

arxiv: 0901.0662 · arxiv_version: 0901.0662v1 · doi: 10.48550/arxiv.0901.0662 · pith_short_12: VMUR53MNMPFU · pith_short_16: VMUR53MNMPFUO2KV · pith_short_8: VMUR53MN

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/VMUR53MNMPFUO2KVMRWF5AJ5Y3 \
  | 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: ab291eed8d63cb476955646c5e813dc6fd545cd32a320c542d9ee307b3adba9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2120b9b2ef828fa0b5280f94d9980561faca0dabf2dc96071f86f0715cdd64c9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-01-06T15:40:15Z",
    "title_canon_sha256": "c98caec216e647d832b56a71d41864dea2eedfeb2fbfec4bdd4cdf0c440821f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0662",
    "kind": "arxiv",
    "version": 1
  }
}