pith. sign in
Pith Number

pith:336YCBPJ

pith:2017:336YCBPJBMQJKWQ3JBACQA5D3Y
not attested not anchored not stored refs pending

Candidate exoplanet host HD131399A: a nascent Am star

N. Przybilla, P. Aschenbrenner, S. Buder

arxiv:1707.07920 v1 · 2017-07-25 · astro-ph.SR · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{336YCBPJBMQJKWQ3JBACQA5D3Y}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T00:39:29.893185Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

defd8105e90b20955a1b48402803a3de3992f16d5133ae7743b258f9bd47e70f

Aliases

arxiv: 1707.07920 · arxiv_version: 1707.07920v1 · doi: 10.48550/arxiv.1707.07920 · pith_short_12: 336YCBPJBMQJ · pith_short_16: 336YCBPJBMQJKWQ3 · pith_short_8: 336YCBPJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/336YCBPJBMQJKWQ3JBACQA5D3Y \
  | 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: defd8105e90b20955a1b48402803a3de3992f16d5133ae7743b258f9bd47e70f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2d2b1c22a8e8e129b18bb37c4e75ff6f36e82897c3a9882e4003d5cd9d974199",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-25T11:20:08Z",
    "title_canon_sha256": "f9951870d065fa7fc0c6a1de01eb3aa5c620dcedd81b5b799f1a8405857ebf28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07920",
    "kind": "arxiv",
    "version": 1
  }
}