pith. sign in
Pith Number

pith:YPFXPKSM

pith:2018:YPFXPKSM3K3276TLXTY42Q6WTB
not attested not anchored not stored refs pending

Spectroscopic binaries among AGB stars from HERMES/Mercator: the case of V Hya

A. Jorissen, H. Van Winckel, S. Van Eck, T. Merle

arxiv:1809.09623 v1 · 2018-09-25 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YPFXPKSM3K3276TLXTY42Q6WTB}

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 2026-05-18T00:04:44.197765Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c3cb77aa4cdab7affa6bbcf1cd43d698631e80f18cef1c5cef480c286d05b658

Aliases

arxiv: 1809.09623 · arxiv_version: 1809.09623v1 · doi: 10.48550/arxiv.1809.09623 · pith_short_12: YPFXPKSM3K32 · pith_short_16: YPFXPKSM3K3276TL · pith_short_8: YPFXPKSM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YPFXPKSM3K3276TLXTY42Q6WTB \
  | 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: c3cb77aa4cdab7affa6bbcf1cd43d698631e80f18cef1c5cef480c286d05b658
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "490f343b22fc1dd1c1cf13ce2cbe7986aab6f815ccc18d93ee1512fd67a22e15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-25T12:37:06Z",
    "title_canon_sha256": "fdde0a262c1292f2875374f8dadd441d64fc1251982489f8b7aa600f0df3d018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09623",
    "kind": "arxiv",
    "version": 1
  }
}