Pith Number

pith:XIT5WPGT

pith:2019:XIT5WPGTLR4MUMRCSXTAVI37QT

not attested not anchored not stored refs pending

Constraining cosmological parameters in FLRW metric with lensed GW+EM signals

Lijun Gou, Xilong Fan, Yufeng Li

arxiv:1901.10638 v1 · 2019-01-30 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIT5WPGTLR4MUMRCSXTAVI37QT}

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	2026-05-17T23:52:02.974905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba27db3cd35c78ca322295e60aa37f84db9095d6d74d1933938a900a521527c9

Aliases

arxiv: 1901.10638 · arxiv_version: 1901.10638v1 · doi: 10.48550/arxiv.1901.10638 · pith_short_12: XIT5WPGTLR4M · pith_short_16: XIT5WPGTLR4MUMRC · pith_short_8: XIT5WPGT

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/XIT5WPGTLR4MUMRCSXTAVI37QT \
  | 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: ba27db3cd35c78ca322295e60aa37f84db9095d6d74d1933938a900a521527c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9b65fdeb5741dc4ddf49cc28ab58bfaf16b46a3fa8bd7e4868fd4413fd8cf7a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-01-30T01:59:38Z",
    "title_canon_sha256": "aa99534a21f18d0df83ef60a8a31876d92f26f1ef83d9e597bd92a87b4070627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10638",
    "kind": "arxiv",
    "version": 1
  }
}