Pith Number

pith:GRQHHN2Z

pith:2020:GRQHHN2ZOM22IHC5DYYA5KZ6O3

not attested not anchored not stored refs pending

Twisted Geometries Coherent States for Loop Quantum Gravity

Andrea Calcinari, Etera Livine, Laurent Freidel, Simone Speziale

arxiv:2009.01125 v2 · 2020-09-02 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRQHHN2ZOM22IHC5DYYA5KZ6O3}

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	2026-07-05T02:12:02.375304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

346073b7597335a41c5d1e300eab3e76d8dae455dbd307246f453491646eaa6a

Aliases

arxiv: 2009.01125 · arxiv_version: 2009.01125v2 · doi: 10.48550/arxiv.2009.01125 · pith_short_12: GRQHHN2ZOM22 · pith_short_16: GRQHHN2ZOM22IHC5 · pith_short_8: GRQHHN2Z

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GRQHHN2ZOM22IHC5DYYA5KZ6O3 \
  | 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: 346073b7597335a41c5d1e300eab3e76d8dae455dbd307246f453491646eaa6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96a3ba6aa07a77b21e74cfb263a819be7cfb71962f13e81806dc8bf63d5ebf20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-09-02T15:04:30Z",
    "title_canon_sha256": "01b6191e710c95064dc8ca25aff129067365a8454fea06910c4595c81358cb06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01125",
    "kind": "arxiv",
    "version": 2
  }
}