pith. sign in
Pith Number

pith:WDDZSZ4A

pith:2018:WDDZSZ4AJ36LPOQNDUHT6DJ6TM
not attested not anchored not stored refs pending

A Gap in the Lower Main Sequence Revealed by Gaia Data Release 2

Douglas R. Gies, Nigel C. Hambly, Todd J. Henry, Wei-Chun Jao

arxiv:1806.07792 v1 · 2018-06-20 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WDDZSZ4AJ36LPOQNDUHT6DJ6TM}

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 2026-05-18T00:10:37.103257Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b0c79967804efcb7ba0d1d0f3f0d3e9b2bf13570377a1b7dc44fa8ddee0310bb

Aliases

arxiv: 1806.07792 · arxiv_version: 1806.07792v1 · doi: 10.48550/arxiv.1806.07792 · pith_short_12: WDDZSZ4AJ36L · pith_short_16: WDDZSZ4AJ36LPOQN · pith_short_8: WDDZSZ4A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WDDZSZ4AJ36LPOQNDUHT6DJ6TM \
  | 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: b0c79967804efcb7ba0d1d0f3f0d3e9b2bf13570377a1b7dc44fa8ddee0310bb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ef34b84d4b296326fb92f859b1adfb7008784113c87dec0aea8a765d8788a748",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-20T15:22:12Z",
    "title_canon_sha256": "fc4136bf32b7b4e3c4e5c2bb5555b60a0087d023d4d611ada5c1b5f1c05c1ad8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07792",
    "kind": "arxiv",
    "version": 1
  }
}