Pith. sign in
Pith Number

pith:LBHAVH3U

pith:2009:LBHAVH3UAQXKDKJWZJWVGQYY4N
not attested not anchored not stored refs pending

Quantum Gravity: Has Spacetime Quantum Properties?

Reiner Hedrich

arxiv:0902.0190 v1 · 2009-02-02 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LBHAVH3UAQXKDKJWZJWVGQYY4N}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T15:37:12.139746Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

584e0a9f74042ea1a936ca6d534318e341aeaf751d56c5aaed4697c60af0640f

Aliases

arxiv: 0902.0190 · arxiv_version: 0902.0190v1 · doi: 10.48550/arxiv.0902.0190 · pith_short_12: LBHAVH3UAQXK · pith_short_16: LBHAVH3UAQXKDKJW · pith_short_8: LBHAVH3U
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LBHAVH3UAQXKDKJWZJWVGQYY4N \
  | 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: 584e0a9f74042ea1a936ca6d534318e341aeaf751d56c5aaed4697c60af0640f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2aa688e6ffc024421f41d7f529ffb540bc4bb06ec39549be953b9e7b8ff160b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-02-02T02:34:51Z",
    "title_canon_sha256": "c1bd8e416531af926474a3dd83739526c7e2f00d85fe2d8e4a54344d4666c8b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0190",
    "kind": "arxiv",
    "version": 1
  }
}