Pith Number

pith:VSUGPMEP

pith:2016:VSUGPMEPIF3STPWKTV7EU2BT4C

not attested not anchored not stored refs pending

Kepler K2 Observations of the Intermediate Polar FO Aquarii

B. T. Gaensicke, D. Steeghs, E. Breedt, M. R. Kennedy, P. Garnavich, P. Szkody, T. R. Marsh, Z. Dai

arxiv:1604.02146 v1 · 2016-04-07 · 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{VSUGPMEPIF3STPWKTV7EU2BT4C}

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	2026-05-18T01:13:11.215299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aca867b08f417729beca9d7e4a6833e0b287b66c24162a093509b24097487914

Aliases

arxiv: 1604.02146 · arxiv_version: 1604.02146v1 · doi: 10.48550/arxiv.1604.02146 · pith_short_12: VSUGPMEPIF3S · pith_short_16: VSUGPMEPIF3STPWK · pith_short_8: VSUGPMEP

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/VSUGPMEPIF3STPWKTV7EU2BT4C \
  | 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: aca867b08f417729beca9d7e4a6833e0b287b66c24162a093509b24097487914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8236334cd20d7ceea07b7632e04ab5dceb90d9cac79b365ee639e61370c078ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-07T20:00:01Z",
    "title_canon_sha256": "67b70ba42b04cd45eee199a7dda1737af1ad34421e90cda8f19680f0ec79962c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02146",
    "kind": "arxiv",
    "version": 1
  }
}