Pith Number

pith:CZAF2WN2

pith:2019:CZAF2WN2MSRU7EV4RCCJVYJUAM

not attested not anchored not stored refs pending

Low-frequency gravity waves in blue supergiants revealed by high-precision space photometry

Andrew Tkachenko, Benjamin J. S. Pope, Bram Buysschaert, Cole Johnston, Conny Aerts, Dominic M. Bowman, Ehsan Moravveji, Mathias Michielsen, May G. Pedersen, Norberto Castro, Peter De Cat, Philipp V. F. Edelmann, Rathish P. Ratnasingam, Sergio Sim\'on-D\'iaz, Siemen Burssens, Tamara M. Rogers, Timothy R. White

arxiv:1905.02120 v1 · 2019-05-06 · astro-ph.SR

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

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	2026-05-17T23:46:56.305427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16405d59ba64a34f92bc88849ae1340330d2d3415c24dd01b1956358f4b7330f

Aliases

arxiv: 1905.02120 · arxiv_version: 1905.02120v1 · doi: 10.48550/arxiv.1905.02120 · pith_short_12: CZAF2WN2MSRU · pith_short_16: CZAF2WN2MSRU7EV4 · pith_short_8: CZAF2WN2

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/CZAF2WN2MSRU7EV4RCCJVYJUAM \
  | 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: 16405d59ba64a34f92bc88849ae1340330d2d3415c24dd01b1956358f4b7330f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc92fd14e2381e11111fc8749c0df6dd37d0d548905aa39f4801bae14265e775",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-06T16:13:33Z",
    "title_canon_sha256": "fe23928f74386ae6a596f44c1353645724bc919d18fa22eb2fed2d6e06aa90ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02120",
    "kind": "arxiv",
    "version": 1
  }
}