pith. sign in
Pith Number

pith:PDTAD3G5

pith:2014:PDTAD3G5DYPAHDVPLCUAESOWKT
not attested not anchored not stored refs pending

Shadows cast by a warp in the HD 142527 protoplanetary disk

Sebastian Marino, Sebastian Perez, Simon Casassus (MAD Universidad de Chile)

arxiv:1412.4632 v2 · 2014-12-15 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PDTAD3G5DYPAHDVPLCUAESOWKT}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:41:19.152707Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

78e601ecdd1e1e038eaf58a80249d654d789476e1c6e197d9fe1652fa24d8982

Aliases

arxiv: 1412.4632 · arxiv_version: 1412.4632v2 · doi: 10.48550/arxiv.1412.4632 · pith_short_12: PDTAD3G5DYPA · pith_short_16: PDTAD3G5DYPAHDVP · pith_short_8: PDTAD3G5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PDTAD3G5DYPAHDVPLCUAESOWKT \
  | 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: 78e601ecdd1e1e038eaf58a80249d654d789476e1c6e197d9fe1652fa24d8982
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1d8d615110a36351c05dd3f954b5e56c2d692f859a9449c9904edf98157b4f9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-12-15T15:22:16Z",
    "title_canon_sha256": "97526ac3dd3503c2e64800ed523a8edafcb2f655cbc05274b3025ed69b3f1b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4632",
    "kind": "arxiv",
    "version": 2
  }
}