Pith Number

pith:4WQNKKRT

pith:2019:4WQNKKRTDNJ5DLKPM2M7L53ZNT

not attested not anchored not stored refs pending

The no-boundary proposal in biaxial Bianchi IX minisuperspace

Jonathan J. Halliwell, Oliver Janssen, Thomas Hertog

arxiv:1904.11602 v1 · 2019-04-25 · 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{4WQNKKRTDNJ5DLKPM2M7L53ZNT}

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	2026-05-17T23:41:42.265170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a0d52a331b53d1ad4f6699f5f7796cd8ab42d853c6952fb1440eb751d27fd4

Aliases

arxiv: 1904.11602 · arxiv_version: 1904.11602v1 · doi: 10.48550/arxiv.1904.11602 · pith_short_12: 4WQNKKRTDNJ5 · pith_short_16: 4WQNKKRTDNJ5DLKP · pith_short_8: 4WQNKKRT

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/4WQNKKRTDNJ5DLKPM2M7L53ZNT \
  | 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: e5a0d52a331b53d1ad4f6699f5f7796cd8ab42d853c6952fb1440eb751d27fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65e3a04e62c1c585488a7fa63cf1a758c93bdb45fa6e19f452cf28a477bd1e34",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-04-25T21:46:22Z",
    "title_canon_sha256": "e1cf00d4dd8ec62855d173b7bbd40ec9acbc0f973570bb38ad0520ae95d07399"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11602",
    "kind": "arxiv",
    "version": 1
  }
}