Pith Number

pith:7B2EYAY3

pith:2018:7B2EYAY36VULQNCPLNYYBPOVKW

not attested not anchored not stored refs pending

Near-infrared morphologies of the host galaxies of narrow-line Seyfert 1 galaxies

Anne L\"ahteenm\"aki, Emilia J\"arvel\"a, Marco Berton

arxiv:1807.02970 v1 · 2018-07-09 · 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{7B2EYAY36VULQNCPLNYYBPOVKW}

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	2026-05-18T00:00:45.804384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8744c031bf568b8344f5b7180bdd555b7086936fc280fe2db3a3ac1d365f3de

Aliases

arxiv: 1807.02970 · arxiv_version: 1807.02970v1 · doi: 10.48550/arxiv.1807.02970 · pith_short_12: 7B2EYAY36VUL · pith_short_16: 7B2EYAY36VULQNCP · pith_short_8: 7B2EYAY3

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/7B2EYAY36VULQNCPLNYYBPOVKW \
  | 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: f8744c031bf568b8344f5b7180bdd555b7086936fc280fe2db3a3ac1d365f3de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b6aefc03c5d0bca5c72d60673c4daa7c544c7f7968d501f14e9545b4f23dc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-09T07:35:42Z",
    "title_canon_sha256": "fae4abbe3877d79a6663fcd256d2db7c86635b8860644c3b91f3b3c6d3f020f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02970",
    "kind": "arxiv",
    "version": 1
  }
}