Pith Number

pith:SMDJLU6Z

pith:2019:SMDJLU6ZD3GNODPPQ3YOZEN25L

not attested not anchored not stored refs pending

Black hole obscuration and duty cycles mediated by AGN feedback in high redshift galaxies

Marta Volonteri, Maxime Trebitsch, Yohan Dubois

arxiv:1901.01261 v1 · 2019-01-04 · 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{SMDJLU6ZD3GNODPPQ3YOZEN25L}

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	2026-05-17T23:45:31.198353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

930695d3d91eccd70def86f0ec91baeaf6ceb7201cb23646f96cbb69568bd0fe

Aliases

arxiv: 1901.01261 · arxiv_version: 1901.01261v1 · doi: 10.48550/arxiv.1901.01261 · pith_short_12: SMDJLU6ZD3GN · pith_short_16: SMDJLU6ZD3GNODPP · pith_short_8: SMDJLU6Z

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/SMDJLU6ZD3GNODPPQ3YOZEN25L \
  | 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: 930695d3d91eccd70def86f0ec91baeaf6ceb7201cb23646f96cbb69568bd0fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8c86c4dc189f1b121323b1ee1edf5f69a0012023622933c999c65976170d71b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-04T19:00:02Z",
    "title_canon_sha256": "aa4ca5f9ff85fedffcc6e08319865bab3355e2571162ac45a74ca0fd23d58c2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01261",
    "kind": "arxiv",
    "version": 1
  }
}