Pith Number

pith:7LQCH5WS

pith:2018:7LQCH5WSOLFAO7P46W4HQOWYFX

not attested not anchored not stored refs pending

Cosmological constraints on an exponential interaction in the dark sector

Andronikos Paliathanasis, Supriya Pan, Weiqiang Yang

arxiv:1804.08558 v3 · 2018-04-23 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LQCH5WSOLFAO7P46W4HQOWYFX}

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	2026-05-17T23:57:31.997761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae023f6d272ca077dfcf5b8783ad82dec1ae6c6899fbde6dcb322d33ad0a629

Aliases

arxiv: 1804.08558 · arxiv_version: 1804.08558v3 · doi: 10.48550/arxiv.1804.08558 · pith_short_12: 7LQCH5WSOLFA · pith_short_16: 7LQCH5WSOLFAO7P4 · pith_short_8: 7LQCH5WS

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/7LQCH5WSOLFAO7P46W4HQOWYFX \
  | 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: fae023f6d272ca077dfcf5b8783ad82dec1ae6c6899fbde6dcb322d33ad0a629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c4f528e339fc873ca953f5c709461398b3dd9c3e14e9c142abb036d5ef7af41",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-23T16:52:25Z",
    "title_canon_sha256": "5363feca7b68faf3f6a6f9126eb9604bf8a7a7fa17db4fbbc58961cd8c28087d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08558",
    "kind": "arxiv",
    "version": 3
  }
}