pith. sign in
Pith Number

pith:4WUM3PKY

pith:2005:4WUM3PKYMJB2GV3GDXZRQHDGMC
not attested not anchored not stored refs pending

Some Remarks on the Semi-Classical Limit of Quantum Gravity

Etera R. Livine

arxiv:gr-qc/0501076 v1 · 2005-01-25 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4WUM3PKYMJB2GV3GDXZRQHDGMC}

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 2026-05-18T01:39:22.286701Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e5a8cdbd586243a357661df3181c66609cbe420ca04f1376e4f3a20754c46acf

Aliases

arxiv: gr-qc/0501076 · arxiv_version: gr-qc/0501076v1 · doi: 10.48550/arxiv.gr-qc/0501076 · pith_short_12: 4WUM3PKYMJB2 · pith_short_16: 4WUM3PKYMJB2GV3G · pith_short_8: 4WUM3PKY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4WUM3PKYMJB2GV3GDXZRQHDGMC \
  | 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: e5a8cdbd586243a357661df3181c66609cbe420ca04f1376e4f3a20754c46acf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "22a912d0d5e032ed1a0a30787ecf63c8682abed547a4eddb9deadd2ba010fb61",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-01-25T16:08:53Z",
    "title_canon_sha256": "a68536d571fd6eea898d6782c599bd7383f6690fd59d3b0602d628294a4de558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0501076",
    "kind": "arxiv",
    "version": 1
  }
}