Pith Number

pith:3L7WJLCH

pith:2019:3L7WJLCHVMSY3V63JYNJ356QOO

not attested not anchored not stored refs pending

On the Time-Frequency Downward Drifting of Repeating Fast Radio Bursts

Bing Zhang, Renxin Xu, Weiyang Wang, Xuelei Chen

arxiv:1903.03982 v2 · 2019-03-10 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3L7WJLCHVMSY3V63JYNJ356QOO}

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	2026-05-17T23:46:18.297099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daff64ac47ab258dd7db4e1a9df7d0738f83f0c5b6de36b36190ad30698d4ff4

Aliases

arxiv: 1903.03982 · arxiv_version: 1903.03982v2 · doi: 10.48550/arxiv.1903.03982 · pith_short_12: 3L7WJLCHVMSY · pith_short_16: 3L7WJLCHVMSY3V63 · pith_short_8: 3L7WJLCH

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/3L7WJLCHVMSY3V63JYNJ356QOO \
  | 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: daff64ac47ab258dd7db4e1a9df7d0738f83f0c5b6de36b36190ad30698d4ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf70f44a62e05d6ca2deeea18daad2584d42278a90a839f1ed21418375819e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-10T13:07:07Z",
    "title_canon_sha256": "7aa93666801b3e8c30a5949583588589031c3dd98ad229a7f843abaecdb97dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03982",
    "kind": "arxiv",
    "version": 2
  }
}