Pith Number

pith:33UJ2AEX

pith:2016:33UJ2AEXZ2QG2DMEMJIKK2IRNB

not attested not anchored not stored refs pending

Big-bounce cosmology from quantum gravity: The case of a cyclical Bianchi I universe

Giovanni Montani, Riccardo Moriconi, Salvatore Capozziello

arxiv:1607.04481 v2 · 2016-07-15 · 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{33UJ2AEXZ2QG2DMEMJIKK2IRNB}

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	2026-05-18T01:06:28.456621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dee89d0097cea06d0d846250a56911684d6ac6adf1dc5530566ab03d82fc6be6

Aliases

arxiv: 1607.04481 · arxiv_version: 1607.04481v2 · doi: 10.48550/arxiv.1607.04481 · pith_short_12: 33UJ2AEXZ2QG · pith_short_16: 33UJ2AEXZ2QG2DME · pith_short_8: 33UJ2AEX

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/33UJ2AEXZ2QG2DMEMJIKK2IRNB \
  | 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: dee89d0097cea06d0d846250a56911684d6ac6adf1dc5530566ab03d82fc6be6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209482d2d197de663ea6b03c56ff9d3db939671aeacfa3321fa1b798df95d455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-07-15T12:32:53Z",
    "title_canon_sha256": "70eca4d1ad6a78927883d029010f2675b1d9f76bd4774bb9ba3362924c269541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04481",
    "kind": "arxiv",
    "version": 2
  }
}