Pith Number

pith:SOWJOGTR

pith:2021:SOWJOGTR5VVFZSVP46CIGJBI6E

not attested not anchored not stored refs pending

Search for lensing signatures from the latest fast radio burst observations and constraints on the abundance of primordial black holes

Bing Zhang, Chenhui Niu, He Gao, Huan Zhou, Kai Liao, Lu Huang, Zhengxiang Li, Zhiqi Huang

arxiv:2109.09251 v2 · 2021-09-20 · astro-ph.CO · astro-ph.HE · 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{SOWJOGTR5VVFZSVP46CIGJBI6E}

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	2026-07-05T04:11:48.913520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ac971a71ed6a5ccaafe784832428f10318e72dccb7596f7b09a4aa86adc468

Aliases

arxiv: 2109.09251 · arxiv_version: 2109.09251v2 · doi: 10.48550/arxiv.2109.09251 · pith_short_12: SOWJOGTR5VVF · pith_short_16: SOWJOGTR5VVFZSVP · pith_short_8: SOWJOGTR

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/SOWJOGTR5VVFZSVP46CIGJBI6E \
  | 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: 93ac971a71ed6a5ccaafe784832428f10318e72dccb7596f7b09a4aa86adc468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee877184822283bb5e3b8318380323bd420de1732ebfaa2cfe67398094e0db1",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-20T00:04:23Z",
    "title_canon_sha256": "9946cc8d18e22334d3a4c78dd8e6c2cef785b974d7794ddbc0f4dfb5e47b9138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09251",
    "kind": "arxiv",
    "version": 2
  }
}