pith. sign in
Pith Number

pith:YTB7IF3Q

pith:2015:YTB7IF3Q4J5GPXRVZBSVVI6OOI
not attested not anchored not stored refs pending

Two-dimensional Topology of Cosmological Reionization

Changbom Park, Juhan Kim, Xuelei Chen, Yidong Xu, Yougang Wang

arxiv:1510.01404 v2 · 2015-10-06 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YTB7IF3Q4J5GPXRVZBSVVI6OOI}

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 2026-05-18T01:23:02.997301Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c4c3f41770e27a67de35c8655aa3ce7206cb6970f30855ddcb99bae2a67bc0e9

Aliases

arxiv: 1510.01404 · arxiv_version: 1510.01404v2 · doi: 10.48550/arxiv.1510.01404 · pith_short_12: YTB7IF3Q4J5G · pith_short_16: YTB7IF3Q4J5GPXRV · pith_short_8: YTB7IF3Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YTB7IF3Q4J5GPXRVZBSVVI6OOI \
  | 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: c4c3f41770e27a67de35c8655aa3ce7206cb6970f30855ddcb99bae2a67bc0e9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "90a6e177dcce3e8850efedeeda071547420dbd22e4cb01cde97a938e94517c8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-06T00:31:49Z",
    "title_canon_sha256": "a52f9acc2be884faca892c0b05db9f62ce42c683444a8e8fb02f19b589f1edfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01404",
    "kind": "arxiv",
    "version": 2
  }
}