Pith Number

pith:J76TORTS

pith:2015:J76TORTSAJEVAFBAEVFPPQBLCD

not attested not anchored not stored refs pending

Comparison of primordial tensor power spectra from the deformed algebra and dressed metric approaches in loop quantum cosmology

A. Barrau, B. Bolliet, C. Stahl, J. Grain, L. Linsefors

arxiv:1502.02431 v2 · 2015-02-09 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J76TORTSAJEVAFBAEVFPPQBLCD}

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	2026-05-18T01:30:51.088485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ffd3746720249501420254af7c02b10c783be9241a4eb8868bd28fdc7888fc6

Aliases

arxiv: 1502.02431 · arxiv_version: 1502.02431v2 · doi: 10.48550/arxiv.1502.02431 · pith_short_12: J76TORTSAJEV · pith_short_16: J76TORTSAJEVAFBA · pith_short_8: J76TORTS

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/J76TORTSAJEVAFBAEVFPPQBLCD \
  | 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: 4ffd3746720249501420254af7c02b10c783be9241a4eb8868bd28fdc7888fc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b9eccb3112a5985c6dbf77595a2a4788ff73e48e8e0a60d0462d6feb0df9b6f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-09T10:54:30Z",
    "title_canon_sha256": "dc405950e830845ee87b069fcd73aca0e5f55e56f533e76e87252379859b6722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02431",
    "kind": "arxiv",
    "version": 2
  }
}