Pith Number

pith:NRT7CNJ2

pith:2018:NRT7CNJ2FTQ2M663YU3CPEMNQL

not attested not anchored not stored refs pending

Polymer Quantum Cosmology: Lifting quantization ambiguities using a $SL(2,\mathbb{R})$ conformal symmetry

Etera R. Livine, Jibril Ben Achour

arxiv:1806.09290 v4 · 2018-06-25 · 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{NRT7CNJ2FTQ2M663YU3CPEMNQL}

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	2026-05-17T23:40:24.062219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c67f1353a2ce1a67bdbc53627918d82f58db9528057cbfc891afc5cfea16cc6

Aliases

arxiv: 1806.09290 · arxiv_version: 1806.09290v4 · doi: 10.48550/arxiv.1806.09290 · pith_short_12: NRT7CNJ2FTQ2 · pith_short_16: NRT7CNJ2FTQ2M663 · pith_short_8: NRT7CNJ2

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/NRT7CNJ2FTQ2M663YU3CPEMNQL \
  | 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: 6c67f1353a2ce1a67bdbc53627918d82f58db9528057cbfc891afc5cfea16cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2834db94faa2998ab3ce035ff0495b610c61175db0b88cdd79ca1e917eb40064",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-25T05:01:29Z",
    "title_canon_sha256": "1dacc643fb58fff3ded43ea2867c0c62219c5ef2660be852bf9d62103090a93b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09290",
    "kind": "arxiv",
    "version": 4
  }
}