Pith Number

pith:5RV5HVYC

pith:2026:5RV5HVYCBJHP53KPKSBNMRU4JP

not attested not anchored not stored refs pending

The Real and Pseudo Dispersion Measures of FRB~20220912A

Chenyuan Xu, Dengke Zhou, D. Li, Jianhua Fang, Jiaying Xu, Jintao Xie, Yi Feng, Y.-K. Zhang

arxiv:2604.01825 v2 · 2026-04-02 · 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{5RV5HVYCBJHP53KPKSBNMRU4JP}

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.

Cited by

2 papers in Pith

FAST Polarization Catalog of FRB 20240114A

Radio Monitoring Campaign of Active Repeater FRB 20220912A with CHIME

Receipt and verification

First computed	2026-06-19T16:12:19.952469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec6bd3d7020a4efeed4f5482d6469c4be9f71b26c6dac580e0e2ff9f42d359d1

Aliases

arxiv: 2604.01825 · arxiv_version: 2604.01825v2 · doi: 10.48550/arxiv.2604.01825 · pith_short_12: 5RV5HVYCBJHP · pith_short_16: 5RV5HVYCBJHP53KP · pith_short_8: 5RV5HVYC

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/5RV5HVYCBJHP53KPKSBNMRU4JP \
  | 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: ec6bd3d7020a4efeed4f5482d6469c4be9f71b26c6dac580e0e2ff9f42d359d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8934003f48fce767e144463ca63061cef1e00697b4643722f090a84b6137a864",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-04-02T09:36:17Z",
    "title_canon_sha256": "9e4b80cc4449eea460d4beef29fe33e4f1360bd0d3f1cd062aca2de9cd801b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.01825",
    "kind": "arxiv",
    "version": 2
  }
}