Pith Number

pith:WJQP2R2B

pith:2019:WJQP2R2BYSSFNIAFGZK7O7YI5S

not attested not anchored not stored refs pending

Asymptotic diagonalization of the fermionic Hamiltonian in hybrid loop quantum cosmology

Beatriz Elizaga Navascu\'es, Guillermo A. Mena Marug\'an, Santiago Prado

arxiv:1902.00262 v2 · 2019-02-01 · 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{WJQP2R2BYSSFNIAFGZK7O7YI5S}

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	2026-05-17T23:49:50.128948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b260fd4741c4a456a0053655f77f08eca16ae0061155989289f6a9d06501f56e

Aliases

arxiv: 1902.00262 · arxiv_version: 1902.00262v2 · doi: 10.48550/arxiv.1902.00262 · pith_short_12: WJQP2R2BYSSF · pith_short_16: WJQP2R2BYSSFNIAF · pith_short_8: WJQP2R2B

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/WJQP2R2BYSSFNIAFGZK7O7YI5S \
  | 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: b260fd4741c4a456a0053655f77f08eca16ae0061155989289f6a9d06501f56e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43cf89e6149d71f12670a845a7d35d1e519783dcf783141e4977e619458cfff3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-01T10:20:30Z",
    "title_canon_sha256": "93993a9b620d6990b02146409737856b7d81d973d14b397396c4d4d8f1bd06d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00262",
    "kind": "arxiv",
    "version": 2
  }
}