Pith Number

pith:6PVRWCA6

pith:2019:6PVRWCA6EDBK6PWAVH65B7HIF3

not attested not anchored not stored refs pending

Singularity avoidance in Bianchi I quantum cosmology

Claus Kiefer, Dennis Piontek, Nick Kwidzinski

arxiv:1903.04391 v3 · 2019-03-11 · gr-qc · 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{6PVRWCA6EDBK6PWAVH65B7HIF3}

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.

Cited by

1 paper in Pith

Unitary quantum matter-bounce in a universe with a positive cosmological constant

Receipt and verification

First computed	2026-07-05T00:01:44.133741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3eb1b081e20c2af3ec0a9fdd0fce82ef1e793a6e8e9f6fdabe4dbe1a522aa39

Aliases

arxiv: 1903.04391 · arxiv_version: 1903.04391v3 · doi: 10.48550/arxiv.1903.04391 · pith_short_12: 6PVRWCA6EDBK · pith_short_16: 6PVRWCA6EDBK6PWA · pith_short_8: 6PVRWCA6

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/6PVRWCA6EDBK6PWAVH65B7HIF3 \
  | 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: f3eb1b081e20c2af3ec0a9fdd0fce82ef1e793a6e8e9f6fdabe4dbe1a522aa39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843a0714d4f26b7e949082ce06c316520c508bc5a233cce58afbc398c1df8aa4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-11T15:58:59Z",
    "title_canon_sha256": "a1c3ae6b33c7ddfbb45df06ed72a8150424109dfb20155a154e3006ea005e1f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04391",
    "kind": "arxiv",
    "version": 3
  }
}