Pith Number

pith:UTGGONIK

pith:2020:UTGGONIK4GZFNFFSQILEKWMYBQ

not attested not anchored not stored refs pending

Probing compact dark matter with gravitational wave fringes detected by the Einstein Telescope

Kai Liao, Shuxun Tian, Xuheng Ding

arxiv:2001.07891 v2 · 2020-01-22 · 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{UTGGONIK4GZFNFFSQILEKWMYBQ}

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	2026-07-05T01:07:52.310351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4cc67350ae1b25694b282164559980c075551a56c06db536e5b0102f51ace96

Aliases

arxiv: 2001.07891 · arxiv_version: 2001.07891v2 · doi: 10.48550/arxiv.2001.07891 · pith_short_12: UTGGONIK4GZF · pith_short_16: UTGGONIK4GZFNFFS · pith_short_8: UTGGONIK

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/UTGGONIK4GZFNFFSQILEKWMYBQ \
  | 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: a4cc67350ae1b25694b282164559980c075551a56c06db536e5b0102f51ace96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5aa9ae49a380f85919c35c820a46dc8c322f276f34c571dff39f15c87c38449",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-01-22T06:17:25Z",
    "title_canon_sha256": "bd4e63a2110cdb15999b1b27979129f9aec6abb62b87af551ed101a092ce1010"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07891",
    "kind": "arxiv",
    "version": 2
  }
}