Pith Number

pith:67ZQ6CQS

pith:2015:67ZQ6CQSI6DVNTMDGLW67H5PCA

not attested not anchored not stored refs pending

Unscreening Modified Gravity in the Matter Power Spectrum

Alexander Mead, Fergus Simpson, Lucas Lombriser

arxiv:1501.04961 v2 · 2015-01-20 · astro-ph.CO · 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{67ZQ6CQSI6DVNTMDGLW67H5PCA}

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	2026-05-18T01:32:37.410658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f30f0a12478756cd8332edef9faf102fd7e96ca354afacd8c5e4f8eb1d2506

Aliases

arxiv: 1501.04961 · arxiv_version: 1501.04961v2 · doi: 10.48550/arxiv.1501.04961 · pith_short_12: 67ZQ6CQSI6DV · pith_short_16: 67ZQ6CQSI6DVNTMD · pith_short_8: 67ZQ6CQS

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/67ZQ6CQSI6DVNTMDGLW67H5PCA \
  | 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: f7f30f0a12478756cd8332edef9faf102fd7e96ca354afacd8c5e4f8eb1d2506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f2e1f340224c38545558e58b8bc0d5beabf244711cd997329b6ee52d00ed337",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-01-20T21:00:06Z",
    "title_canon_sha256": "7b5ad9cc22244ec2f21ec9354f0fa61bf6ae7a7b0596f35b9302f7bb6a9093ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04961",
    "kind": "arxiv",
    "version": 2
  }
}