pith. sign in
Pith Number

pith:PKTYDBQY

pith:2010:PKTYDBQYUF5J4RI34H5ALMVYVB
not attested not anchored not stored refs pending

Two-point functions in (loop) quantum cosmology

Daniele Oriti, Gianluca Calcagni, Steffen Gielen

arxiv:1011.4290 v2 · 2010-11-18 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PKTYDBQYUF5J4RI34H5ALMVYVB}

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 2026-05-18T04:18:44.890877Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7aa7818618a17a9e451be1fa05b2b8a85fb36501fa09730bbf7691f9dacb0bde

Aliases

arxiv: 1011.4290 · arxiv_version: 1011.4290v2 · doi: 10.48550/arxiv.1011.4290 · pith_short_12: PKTYDBQYUF5J · pith_short_16: PKTYDBQYUF5J4RI3 · pith_short_8: PKTYDBQY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PKTYDBQYUF5J4RI34H5ALMVYVB \
  | 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: 7aa7818618a17a9e451be1fa05b2b8a85fb36501fa09730bbf7691f9dacb0bde
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "762c42d2dabd740570444956257a1440ee744ea1010d690d8791a87e852563f9",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-11-18T20:59:14Z",
    "title_canon_sha256": "0316adc12cb1330d264cf2b3d29d38f2072004f8246dfed2dc25a362af8fc1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4290",
    "kind": "arxiv",
    "version": 2
  }
}