pith. sign in
Pith Number

pith:73DIBYMQ

pith:2013:73DIBYMQQWQFGGYDXHOJEGFP43
not attested not anchored not stored refs pending

Testing the local-void alternative to dark energy using galaxy pairs

F. Y. Wang, Z. G. Dai

arxiv:1304.4399 v1 · 2013-04-16 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{73DIBYMQQWQFGGYDXHOJEGFP43}

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 2026-05-18T01:50:32.291199Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fec680e19085a0531b03b9dc9218afe6e8af96b5abf9b7323fbf613d5cb0c67e

Aliases

arxiv: 1304.4399 · arxiv_version: 1304.4399v1 · doi: 10.48550/arxiv.1304.4399 · pith_short_12: 73DIBYMQQWQF · pith_short_16: 73DIBYMQQWQFGGYD · pith_short_8: 73DIBYMQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/73DIBYMQQWQFGGYDXHOJEGFP43 \
  | 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: fec680e19085a0531b03b9dc9218afe6e8af96b5abf9b7323fbf613d5cb0c67e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6a7ced1979c7de6aa9eac0691dc9066c1cdc11647f4e1f6dbfba0b9b04c26352",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-16T11:21:58Z",
    "title_canon_sha256": "9b0f652e3daad92881550b85d96c92c0bd12902ca6bb8ea0f88414e5779b9b4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4399",
    "kind": "arxiv",
    "version": 1
  }
}