pith. sign in
Pith Number

pith:37XFQVRW

pith:2013:37XFQVRWH6Z4RC47WZTHKXCYBT
not attested not anchored not stored refs pending

Splitting the source term for the Einstein equation to classical and quantum parts

P. V\'an, T.S. Bir\'o

arxiv:1312.1316 v3 · 2013-12-04 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{37XFQVRWH6Z4RC47WZTHKXCYBT}

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 2026-05-18T01:14:29.763240Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dfee5856363fb3c88b9fb666755c580cdbef3bb880ec515755632250831a4387

Aliases

arxiv: 1312.1316 · arxiv_version: 1312.1316v3 · doi: 10.48550/arxiv.1312.1316 · pith_short_12: 37XFQVRWH6Z4 · pith_short_16: 37XFQVRWH6Z4RC47 · pith_short_8: 37XFQVRW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/37XFQVRWH6Z4RC47WZTHKXCYBT \
  | 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: dfee5856363fb3c88b9fb666755c580cdbef3bb880ec515755632250831a4387
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "be12da26e4084acab251cb94d3272410c45e1572ac592029d45ef02abe4ab82a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-12-04T20:28:23Z",
    "title_canon_sha256": "45da2f1cfbb539909520f76719ecf5a406563164f9a01ef0031d52b42ac5d88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1316",
    "kind": "arxiv",
    "version": 3
  }
}