Pith Number

pith:EW4WYVNC

pith:2017:EW4WYVNCVZ22T64JAO77G7ABYK

not attested not anchored not stored refs pending

STEREO observations of HD 90386 (RX Sex): a Delta Scuti or a hybrid star?

Dogus Ozuyar, Gemma Whittaker, Ian R. Stevens, Vinothini Sangaralingam

arxiv:1701.09048 v1 · 2017-01-31 · 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{EW4WYVNCVZ22T64JAO77G7ABYK}

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	2026-05-18T00:51:38.564455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b96c55a2ae75a9fb8903bff37c01c287c534128db909c5213b804121db6cd5

Aliases

arxiv: 1701.09048 · arxiv_version: 1701.09048v1 · doi: 10.48550/arxiv.1701.09048 · pith_short_12: EW4WYVNCVZ22 · pith_short_16: EW4WYVNCVZ22T64J · pith_short_8: EW4WYVNC

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/EW4WYVNCVZ22T64JAO77G7ABYK \
  | 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: 25b96c55a2ae75a9fb8903bff37c01c287c534128db909c5213b804121db6cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d63344ffbe3bf694d1bd2c88b4b07d369239889f2b061ff4ed50d3360966d37b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-01-31T14:17:59Z",
    "title_canon_sha256": "fb745a661b43c397b1dfdb3b173b914d881558c9e74c70392f3d032d2ebcffa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.09048",
    "kind": "arxiv",
    "version": 1
  }
}