Pith Number

pith:L3OSK3P2

pith:2021:L3OSK3P2OAKWHOPZYGYUWFRWQT

not attested not anchored not stored refs pending

Asteroseismology of RRab variable star EZ Cnc from K2 photometry and LAMOST spectroscopy

Bo Zhang, Jiangtao Wang, Jianning Fu, Jiaxin Wang, Weikai Zong

arxiv:2106.08553 v1 · 2021-06-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3OSK3P2OAKWHOPZYGYUWFRWQT}

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	2026-07-05T02:59:23.058844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5edd256dfa701563b9f9c1b14b163684e9c8d3711b9dd1c685d8572be15480c5

Aliases

arxiv: 2106.08553 · arxiv_version: 2106.08553v1 · doi: 10.48550/arxiv.2106.08553 · pith_short_12: L3OSK3P2OAKW · pith_short_16: L3OSK3P2OAKWHOPZ · pith_short_8: L3OSK3P2

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/L3OSK3P2OAKWHOPZYGYUWFRWQT \
  | 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: 5edd256dfa701563b9f9c1b14b163684e9c8d3711b9dd1c685d8572be15480c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce3fa76222f7abc290fe5c152379d4b5f58c8a5e72ae2415e3decfaabe741b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-06-16T05:09:27Z",
    "title_canon_sha256": "04459b4002a940e2abc9f1036785481f4cc4497b7d1a15d4e33563437654f342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08553",
    "kind": "arxiv",
    "version": 1
  }
}