Pith Number

pith:3HMKZ5O5

pith:2026:3HMKZ5O5JEWMZDU2E33YJSM62L

not attested not anchored not stored refs pending

Extreme outflow velocities and weak UV emission lines indicate quasars shedding their dust cocoons

Andrei Berdyugin, C\'edric Ledoux, Guozhen Ma, Hyunseop Choi, Jens-Kristian Krogager, Johan P. U. Fynbo, Kasper E. Heintz, Lise Christensen, Palle M{\o}ller, Phillip D. Henriksen, Rasmus Frederiksen, Simone Vejlgaard, Stefan J. Geier, Vilppu Piirola

arxiv:2607.01330 v1 · 2026-07-01 · 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{3HMKZ5O5JEWMZDU2E33YJSM62L}

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	2026-07-03T00:16:57.644600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9d8acf5dd492ccc8e9a26f784c99ed2d1d35a4655956d1af3263da67fb04ad9

Aliases

arxiv: 2607.01330 · arxiv_version: 2607.01330v1 · doi: 10.48550/arxiv.2607.01330 · pith_short_12: 3HMKZ5O5JEWM · pith_short_16: 3HMKZ5O5JEWMZDU2 · pith_short_8: 3HMKZ5O5

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/3HMKZ5O5JEWMZDU2E33YJSM62L \
  | 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: d9d8acf5dd492ccc8e9a26f784c99ed2d1d35a4655956d1af3263da67fb04ad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e719c0fd30fef015e51275c1d09dcc40f9c90d2d12594ba4e1d14117007c8450",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-01T18:00:04Z",
    "title_canon_sha256": "69cfb44713b00c66383023b90c03ca9e062774b63ba80a3f388c69a6bc8a784e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01330",
    "kind": "arxiv",
    "version": 1
  }
}