Pith Number

pith:GEFCUELQ

pith:2019:GEFCUELQOGAOBT67Z5ZCJOKWKA

not attested not anchored not stored refs pending

Testing interacting dark matter and dark energy model with cosmological data

Fengquan Wu, Gong Cheng, Jiajun Zhang, Xuelei Chen, Yin-Zhe Ma

arxiv:1911.04520 v3 · 2019-11-11 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEFCUELQOGAOBT67Z5ZCJOKWKA}

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.

Cited by

1 paper in Pith

Dark Energy Is Not That Into You: Variable Couplings after DESI DR2 BAO

Receipt and verification

First computed	2026-07-05T01:30:23.783969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

310a2a11707180e0cfdfcf7224b9565037e7d00eac933c33a28920b5bebc6807

Aliases

arxiv: 1911.04520 · arxiv_version: 1911.04520v3 · doi: 10.48550/arxiv.1911.04520 · pith_short_12: GEFCUELQOGAO · pith_short_16: GEFCUELQOGAOBT67 · pith_short_8: GEFCUELQ

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/GEFCUELQOGAOBT67Z5ZCJOKWKA \
  | 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: 310a2a11707180e0cfdfcf7224b9565037e7d00eac933c33a28920b5bebc6807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f564672e15eef7c4a79b196de2697360628d153e7b7c37b0745e67fad3660045",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-11-11T19:06:41Z",
    "title_canon_sha256": "b146ffa22f3c511b6acbb0e26e508a56151fa626aaf8b7f8ef23130c7511e193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04520",
    "kind": "arxiv",
    "version": 3
  }
}