Pith Number

pith:QZVKPE3N

pith:2020:QZVKPE3NJD7VLDEYULKXQB6TUR

not attested not anchored not stored refs pending

A Hard X-ray Test of HCN Enhancements as a Tracer of Embedded Black Hole Growth

A. S. Evans, C. Ricci, D. L. Jeff, E. Gonz\'alez-Alfonso, E. Treister, F. Bauer, G. C. Privon, J. M. Mazzarella, K. Iwasawa, K. Larson, L. Armus, L. Barcos-Mu\~noz, L. Blecha, M. A. P\'erez-Torres, P. Garg, R. Herrero-Illana, S. Aalto, S. Stierwalt, S. Viti, T. D\'iaz-Santos, V. Charmandaris

arxiv:2004.02884 v2 · 2020-04-06 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZVKPE3NJD7VLDEYULKXQB6TUR}

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	2026-07-05T00:57:53.017807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866aa7936d48ff558c98a2d57807d3a46f54a32a234c55e59b0037a4265e5c88

Aliases

arxiv: 2004.02884 · arxiv_version: 2004.02884v2 · doi: 10.48550/arxiv.2004.02884 · pith_short_12: QZVKPE3NJD7V · pith_short_16: QZVKPE3NJD7VLDEY · pith_short_8: QZVKPE3N

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/QZVKPE3NJD7VLDEYULKXQB6TUR \
  | 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: 866aa7936d48ff558c98a2d57807d3a46f54a32a234c55e59b0037a4265e5c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7a0b5d8baff26388e342c03a569fbb7cd547f507990da1c8895c42f1a506c5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-06T18:00:00Z",
    "title_canon_sha256": "e57f38cd2cc10cd5301f9170d37b801f6bb148895ca338a30c0d6ce4c9f0bfec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02884",
    "kind": "arxiv",
    "version": 2
  }
}