Pith Number

pith:6ORK4S7B

pith:2019:6ORK4S7BAPI7Z5ANLYXIUS4RZD

not attested not anchored not stored refs pending

Quantum-enhanced screened dark energy detection

Christian K\"ading, Daniel Hartley, Ivette Fuentes, Richard Howl

arxiv:1909.02272 v2 · 2019-09-05 · gr-qc · astro-ph.CO · cond-mat.quant-gas · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ORK4S7BAPI7Z5ANLYXIUS4RZD}

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	2026-07-05T07:35:14.793618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3a2ae4be103d1fcf40d5e2e8a4b91c8e60b24d78dc84438b28a698ed85d8ffc

Aliases

arxiv: 1909.02272 · arxiv_version: 1909.02272v2 · doi: 10.48550/arxiv.1909.02272 · pith_short_12: 6ORK4S7BAPI7 · pith_short_16: 6ORK4S7BAPI7Z5AN · pith_short_8: 6ORK4S7B

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/6ORK4S7BAPI7Z5ANLYXIUS4RZD \
  | 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: f3a2ae4be103d1fcf40d5e2e8a4b91c8e60b24d78dc84438b28a698ed85d8ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14417d36049dbe33c27e2aeafb4f67e76f8fc7a0b1d76133a64d1b9df2b1f2d3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cond-mat.quant-gas",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-05T09:12:47Z",
    "title_canon_sha256": "055961b492f5bb09591e1a51ab28e58944a41d1d2753644a2c206ba893ae927b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02272",
    "kind": "arxiv",
    "version": 2
  }
}