Pith Number

pith:HQVVBGCX

pith:2017:HQVVBGCXIXBHY3UUMQCVR2LZWD

not attested not anchored not stored refs pending

Large-scale environments of narrow-line Seyfert 1 galaxies

Anne L\"ahteenm\"aki, Anup Poudel, Emilia J\"arvel\"a, Heidi Lietzen, Maret Einasto, Pekka Hein\"am\"aki

arxiv:1707.01411 v2 · 2017-07-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQVVBGCXIXBHY3UUMQCVR2LZWD}

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	2026-05-18T00:34:17.726593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c2b50985745c27c6e94640558e979b0c27ef575b78cc2d2b8715b275594bfc1

Aliases

arxiv: 1707.01411 · arxiv_version: 1707.01411v2 · doi: 10.48550/arxiv.1707.01411 · pith_short_12: HQVVBGCXIXBH · pith_short_16: HQVVBGCXIXBHY3UU · pith_short_8: HQVVBGCX

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/HQVVBGCXIXBHY3UUMQCVR2LZWD \
  | 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: 3c2b50985745c27c6e94640558e979b0c27ef575b78cc2d2b8715b275594bfc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12d2688d1602b2c93e99ca1760c774194618ed1f3d5743bb180df3dddbb3e09b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-05T14:17:23Z",
    "title_canon_sha256": "3b8ac2a86315ad6a6f48e004e2a7b2549b309b613372c73a3266b3c7d0f6c130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01411",
    "kind": "arxiv",
    "version": 2
  }
}