Pith Number

pith:2XKC4T6Z

pith:2018:2XKC4T6Z35FR4I6SXIA7T7DKNP

not attested not anchored not stored refs pending

Cosmological Tests With Strong Gravitational Lenses using Gaussian Processes

Fulvio Melia, Manoj K. Yennapureddy

arxiv:1803.06851 v1 · 2018-03-19 · astro-ph.CO · astro-ph.GA · astro-ph.HE · gr-qc · hep-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{2XKC4T6Z35FR4I6SXIA7T7DKNP}

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	2026-05-18T00:05:23.708400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5d42e4fd9df4b1e23d2ba01f9fc6a6be26f4a5701bf0de8d4e963d26c6fe62d

Aliases

arxiv: 1803.06851 · arxiv_version: 1803.06851v1 · doi: 10.48550/arxiv.1803.06851 · pith_short_12: 2XKC4T6Z35FR · pith_short_16: 2XKC4T6Z35FR4I6S · pith_short_8: 2XKC4T6Z

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/2XKC4T6Z35FR4I6SXIA7T7DKNP \
  | 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: d5d42e4fd9df4b1e23d2ba01f9fc6a6be26f4a5701bf0de8d4e963d26c6fe62d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f04de24003cb3bbca76a769d0e0271f636be396fbb87a49884455ecb0461e3",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-19T10:00:32Z",
    "title_canon_sha256": "666d223866f56b4bb10612546fe1d4927ad6a6c9a91da22fb1ba1bee42896398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06851",
    "kind": "arxiv",
    "version": 1
  }
}