Pith Number

pith:KZHNQE6R

pith:2016:KZHNQE6RO5EMZS5EYBN372XCCQ

not attested not anchored not stored refs pending

Kinematical uniqueness of homogeneous isotropic LQC

Jonathan Engle, Maximilian Hanusch

arxiv:1604.08199 v2 · 2016-04-27 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZHNQE6RO5EMZS5EYBN372XCCQ}

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	2026-05-18T00:55:34.243480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

564ed813d17748cccba4c05bbfeae2141c39fa95c2d428496f8dec6649dbd21c

Aliases

arxiv: 1604.08199 · arxiv_version: 1604.08199v2 · doi: 10.48550/arxiv.1604.08199 · pith_short_12: KZHNQE6RO5EM · pith_short_16: KZHNQE6RO5EMZS5E · pith_short_8: KZHNQE6R

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/KZHNQE6RO5EMZS5EYBN372XCCQ \
  | 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: 564ed813d17748cccba4c05bbfeae2141c39fa95c2d428496f8dec6649dbd21c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670201916ad0bfbc02e52c304ce732fa4f79fd333a7732ec42672d4c40763c00",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-04-27T19:49:09Z",
    "title_canon_sha256": "ea7885a5aea6db5d8b18773640fec86729135892db59a6ddb6fdd52ddbf0fce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08199",
    "kind": "arxiv",
    "version": 2
  }
}