pith. sign in
Pith Number

pith:SEJAAAEL

pith:2017:SEJAAAELD7F32U3NDVBK6FD2JC
not attested not anchored not stored refs pending

Hidden Broad-line Regions in Seyfert 2 Galaxies: from the spectropolarimetric perspective

Jian-Min Wang, Pu Du, Zhi-Xiang Zhang

arxiv:1704.04345 v2 · 2017-04-14 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SEJAAAELD7F32U3NDVBK6FD2JC}

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 2026-05-18T00:45:10.688178Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

911200008b1fcbbd536d1d42af147a4887ec2c6e28330edfd108f591967c4f68

Aliases

arxiv: 1704.04345 · arxiv_version: 1704.04345v2 · doi: 10.48550/arxiv.1704.04345 · pith_short_12: SEJAAAELD7F3 · pith_short_16: SEJAAAELD7F32U3N · pith_short_8: SEJAAAEL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SEJAAAELD7F32U3NDVBK6FD2JC \
  | 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: 911200008b1fcbbd536d1d42af147a4887ec2c6e28330edfd108f591967c4f68
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9d05b7e687c60344de5cddadb7597685f71e952dd70ee5007b5c27ffc6050170",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-14T04:39:11Z",
    "title_canon_sha256": "406d4a6c4a729038316e8292eec0354acf19af7f031c20ca95594d8934ddfdfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04345",
    "kind": "arxiv",
    "version": 2
  }
}