pith. sign in
Pith Number

pith:A7IF4W3K

pith:2014:A7IF4W3KXYYLDOC2ADGKSCICDG
not attested not anchored not stored refs pending

Loop quantum cosmology from group field theory

Gianluca Calcagni

arxiv:1407.8166 v3 · 2014-07-30 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{A7IF4W3KXYYLDOC2ADGKSCICDG}

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 2026-05-18T02:41:41.160640Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

07d05e5b6abe30b1b85a00cca9090219b0b8ccdb314fe8516c21cc471d5d4367

Aliases

arxiv: 1407.8166 · arxiv_version: 1407.8166v3 · doi: 10.48550/arxiv.1407.8166 · pith_short_12: A7IF4W3KXYYL · pith_short_16: A7IF4W3KXYYLDOC2 · pith_short_8: A7IF4W3K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/A7IF4W3KXYYLDOC2ADGKSCICDG \
  | 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: 07d05e5b6abe30b1b85a00cca9090219b0b8ccdb314fe8516c21cc471d5d4367
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "61a3929cc93973bb637ee6f096e81d1c3da2d3fff39d0b873bb942eca676183e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-07-30T19:30:21Z",
    "title_canon_sha256": "b1bc93133be55810b67096c2c050f3fc69fb158e1f36ddd66750b0aedc9f4a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8166",
    "kind": "arxiv",
    "version": 3
  }
}