Pith Number

pith:5MDUHNRK

pith:2021:5MDUHNRKLUN555RI7XXVUBZAFY

not attested not anchored not stored refs pending

Do the periodic activities of repeating fast radio bursts represent the spins of neutron stars?

Jifeng Liu, Kun Xu, Qiao-Chu Li, Xiang-Dong Li, Yuan-Pei Yang, Zi-Gao Dai

arxiv:2105.13122 v1 · 2021-05-25 · 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{5MDUHNRKLUN555RI7XXVUBZAFY}

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	2026-07-05T03:08:31.066217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb0743b62a5d1bdef628fdef5a07202e165b1423cf5ab4a9953f18c94be935cc

Aliases

arxiv: 2105.13122 · arxiv_version: 2105.13122v1 · doi: 10.48550/arxiv.2105.13122 · pith_short_12: 5MDUHNRKLUN5 · pith_short_16: 5MDUHNRKLUN555RI · pith_short_8: 5MDUHNRK

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/5MDUHNRKLUN555RI7XXVUBZAFY \
  | 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: eb0743b62a5d1bdef628fdef5a07202e165b1423cf5ab4a9953f18c94be935cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3555108040f71812cda773dbe11d282c044fa703bf2ce9e37ae9262bdb6c32",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-25T22:15:39Z",
    "title_canon_sha256": "32902ace09d9cfac468f327f2eebacdaa504de6a0a86e2838a580820b07c117c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13122",
    "kind": "arxiv",
    "version": 1
  }
}