Pith Number

pith:APQVHOO7

pith:2022:APQVHOO7MFZL75IV2D6OPJERB4

not attested not anchored not stored refs pending

Scattering variability detected from the circumsource medium of FRB 20190520B

C.H. Niu, C.J. Law, D. Li, J.M. Cordes, J.W. McKee, R. Anna-Thomas, S. Chatterjee, S.K. Ocker

arxiv:2210.01975 v2 · 2022-10-05 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APQVHOO7MFZL75IV2D6OPJERB4}

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	2026-07-05T05:24:43.025955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e153b9df6172bff515d0fce7a4910f0dc4a985baae78c71c54a38dce09d48f

Aliases

arxiv: 2210.01975 · arxiv_version: 2210.01975v2 · doi: 10.48550/arxiv.2210.01975 · pith_short_12: APQVHOO7MFZL · pith_short_16: APQVHOO7MFZL75IV · pith_short_8: APQVHOO7

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/APQVHOO7MFZL75IV2D6OPJERB4 \
  | 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: 03e153b9df6172bff515d0fce7a4910f0dc4a985baae78c71c54a38dce09d48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "690cff36decdb2d3ff9a6e5784342c89e6ce3fcbc67f210f0f65a4688e6038f0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-10-05T00:57:01Z",
    "title_canon_sha256": "7a2cfbeeb020eb37cca52b446834638ad221d09581f9cb65209a8297a7cd7b63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.01975",
    "kind": "arxiv",
    "version": 2
  }
}