pith. sign in
Pith Number

pith:FW42DJMF

pith:2014:FW42DJMFPC4KSOHLNOUKTTIAT2
not attested not anchored not stored refs pending

Quantum shells in a quantum space-time

Jorge Pullin, Rodolfo Gambini

arxiv:1408.4635 v1 · 2014-08-20 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FW42DJMFPC4KSOHLNOUKTTIAT2}

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 2026-05-18T01:42:16.813394Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2db9a1a58578b8a938eb6ba8a9cd009eaef8661e22b5d606a4f8f86344f24445

Aliases

arxiv: 1408.4635 · arxiv_version: 1408.4635v1 · doi: 10.48550/arxiv.1408.4635 · pith_short_12: FW42DJMFPC4K · pith_short_16: FW42DJMFPC4KSOHL · pith_short_8: FW42DJMF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FW42DJMFPC4KSOHLNOUKTTIAT2 \
  | 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: 2db9a1a58578b8a938eb6ba8a9cd009eaef8661e22b5d606a4f8f86344f24445
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "71c839afc88792c9f4df768683a720bb5c9e576398b9c06444e73ec572afbcaa",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-08-20T12:54:10Z",
    "title_canon_sha256": "4c96c8bc13c0c457eada2d4663affab679231e03ebe40d2eba0cac667e6ca9c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4635",
    "kind": "arxiv",
    "version": 1
  }
}