pith. sign in
Pith Number

pith:BHCTTX6U

pith:2019:BHCTTX6UVDUWATXBHGQANOPSOI
not attested not anchored not stored refs pending

A gap in HD 92945's broad planetesimal disc revealed by ALMA

B. Yelverton, G. M. Kennedy, L. Matr\`a, M. Booth, M. C. Wyatt, S. Marino, V. Faramaz

arxiv:1901.01406 v2 · 2019-01-05 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BHCTTX6UVDUWATXBHGQANOPSOI}

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 2026-05-17T23:56:40.536905Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

09c539dfd4a8e9604ee139a006b9f2721993befac8c2b185a77d474c9483911f

Aliases

arxiv: 1901.01406 · arxiv_version: 1901.01406v2 · doi: 10.48550/arxiv.1901.01406 · pith_short_12: BHCTTX6UVDUW · pith_short_16: BHCTTX6UVDUWATXB · pith_short_8: BHCTTX6U
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BHCTTX6UVDUWATXBHGQANOPSOI \
  | 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: 09c539dfd4a8e9604ee139a006b9f2721993befac8c2b185a77d474c9483911f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b79dd4d54189a10259e83d1e76da29ddd2c54c9ebb40d12199657c76e00690f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-05T12:23:08Z",
    "title_canon_sha256": "0aea77b100339594962379c80efc682a4fac691282fdd3850d42582e1de41f0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01406",
    "kind": "arxiv",
    "version": 2
  }
}