Pith Number

pith:XW325VK4

pith:2026:XW325VK4S3LKTB6JS73O7T7WFH

not attested not anchored not stored refs pending

Evidence for Intermediate-Mass Black Holes From Microlensing Signatures in CHIME/FRB catalog 2

Cheng-Gang Shao, He Gao, Huan Zhou, Kai Liao, Xi-Jing Wang, Zhengxiang Li, Zong-Hong Zhu

arxiv:2605.19653 v1 · 2026-05-19 · astro-ph.HE · 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{XW325VK4S3LKTB6JS73O7T7WFH}

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	2026-05-20T01:05:56.037095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdb7aed55c96d6a987c997f6efcff629dc6bf2bbb8412efcb4ab72ce784cfa59

Aliases

arxiv: 2605.19653 · arxiv_version: 2605.19653v1 · doi: 10.48550/arxiv.2605.19653 · pith_short_12: XW325VK4S3LK · pith_short_16: XW325VK4S3LKTB6J · pith_short_8: XW325VK4

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/XW325VK4S3LKTB6JS73O7T7WFH \
  | 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: bdb7aed55c96d6a987c997f6efcff629dc6bf2bbb8412efcb4ab72ce784cfa59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a771702742679f2988388a90fe23c2fffadef3b9efce34221e3d4b891261956",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-19T10:43:52Z",
    "title_canon_sha256": "74757fbf4369c4de9e241fdd8056539c9499c59e4423700d3d7f2fc92ddaeb83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19653",
    "kind": "arxiv",
    "version": 1
  }
}