Pith Number

pith:IB2HNUVN

pith:2014:IB2HNUVNDL47P6C5JRB6X2ZMWA

not attested not anchored not stored refs pending

Red giant pulsations from the suspected symbiotic star StHA 169 detected in Kepler data

Gavin Ramsay (Armagh Observatory), Pasi Hakala (FINCA), Steve Howell (NASA Ames)

arxiv:1404.5850 v1 · 2014-04-23 · 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{IB2HNUVNDL47P6C5JRB6X2ZMWA}

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	2026-05-18T01:43:25.826199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407476d2ad1af9f7f85d4c43ebeb2cb035c69633513397fefd6170304cfe28d6

Aliases

arxiv: 1404.5850 · arxiv_version: 1404.5850v1 · doi: 10.48550/arxiv.1404.5850 · pith_short_12: IB2HNUVNDL47 · pith_short_16: IB2HNUVNDL47P6C5 · pith_short_8: IB2HNUVN

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/IB2HNUVNDL47P6C5JRB6X2ZMWA \
  | 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: 407476d2ad1af9f7f85d4c43ebeb2cb035c69633513397fefd6170304cfe28d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c9e2ef7cb51ffca1fb1d3c53e0f7fcd68b49cd86deafe6684f8cb6690d5572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-23T15:01:55Z",
    "title_canon_sha256": "decd77da867dd4af445916cb147b84e60f5bbf8defba4bf199433a2baa39ab86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5850",
    "kind": "arxiv",
    "version": 1
  }
}