Pith Number

pith:ZIRDQEPV

pith:2017:ZIRDQEPVRXTJDNTMTM37USZBXR

not attested not anchored not stored refs pending

Weighing in on the masses of retired A stars with asteroseismology: K2 observations of the exoplanet-host star HD 212771

Andrea Miglio, Andrew Vanderburg, Benjamin F. Cooke, Daniel Huber, Dimitri Veras, Guy R. Davies, James S. Kuszlewicz, John A. Johnson, Mikkel N. Lund, Tha\'ise S. Rodrigues, Thierry Morel, Thomas S. H. North, Tiago L. Campante, William J. Chaplin, Yvonne P. Elsworth

arxiv:1704.01794 v1 · 2017-04-06 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIRDQEPVRXTJDNTMTM37USZBXR}

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	2026-05-18T00:43:25.745455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca223811f58de691b66c9b37fa4b21bc6ecf216960b1d11e9455d80f59133b30

Aliases

arxiv: 1704.01794 · arxiv_version: 1704.01794v1 · doi: 10.48550/arxiv.1704.01794 · pith_short_12: ZIRDQEPVRXTJ · pith_short_16: ZIRDQEPVRXTJDNTM · pith_short_8: ZIRDQEPV

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/ZIRDQEPVRXTJDNTMTM37USZBXR \
  | 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: ca223811f58de691b66c9b37fa4b21bc6ecf216960b1d11e9455d80f59133b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc896983da200a19a1c970e2ecc39f076855814b2caacd2cad7cd8e3635b737a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-06T11:50:10Z",
    "title_canon_sha256": "4e5a91544c42c8beaca1013358215b9582674dfe6fea666732d29273e8daae6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01794",
    "kind": "arxiv",
    "version": 1
  }
}