Pith Number

pith:V5QZVDAH

pith:2017:V5QZVDAHXNTZO53CIKQQHZMM6N

not attested not anchored not stored refs pending

HD 169142 in the eyes of ZIMPOL/SPHERE

F. Kirchschlager, G. H.-M. Bertrang, H. Avenhaus, L. Cieza, M. Montesinos, S. Casassus, S. Perez, S. Wolf

arxiv:1711.09040 v1 · 2017-11-24 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5QZVDAHXNTZO53CIKQQHZMM6N}

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	2026-05-18T00:26:23.662118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af619a8c07bb6797776242a103e58cf34a35849b7091833f99db5e9d11ee4de4

Aliases

arxiv: 1711.09040 · arxiv_version: 1711.09040v1 · doi: 10.48550/arxiv.1711.09040 · pith_short_12: V5QZVDAHXNTZ · pith_short_16: V5QZVDAHXNTZO53C · pith_short_8: V5QZVDAH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/V5QZVDAHXNTZO53CIKQQHZMM6N \
  | 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: af619a8c07bb6797776242a103e58cf34a35849b7091833f99db5e9d11ee4de4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07250e4d8ca12c75da50f5c9fa3d67ca21690cbede94cbad16320140a4a8db8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-24T16:31:56Z",
    "title_canon_sha256": "2cda26caff7a3682d3b4f1715020dc040fc266155a6ba0a01887aa7902c73fd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09040",
    "kind": "arxiv",
    "version": 1
  }
}