Pith Number

pith:2LR5ZD5Y

pith:2020:2LR5ZD5YHQ2AFJO7GKZN4OULR7

not attested not anchored not stored refs pending

Piercing through Highly Obscured and Compton-thick AGNs in the Chandra Deep Fields. II. Are Highly Obscured AGNs the Missing Link in the Merger-Triggered AGN-Galaxy Coevolution Models?

Andrea Comastri, Bin Luo, Chien-Ting Chen, Cristian Vignali, Fabio Vito, Guang Yang, Guanwen Fang, Junyao Li, Lulu Fan, Mouyuan Sun, Paolo Tozzi, William N. Brandt, Xinwen Shu, Xuechen Zheng, Yongquan Xue

arxiv:2008.05863 v1 · 2020-08-13 · 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{2LR5ZD5YHQ2AFJO7GKZN4OULR7}

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	2026-07-05T01:50:29.176593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e3dc8fb83c3402a5df32b2de3a8b8fc6c89f59cbad35f9bcb4693e7d3fa423

Aliases

arxiv: 2008.05863 · arxiv_version: 2008.05863v1 · doi: 10.48550/arxiv.2008.05863 · pith_short_12: 2LR5ZD5YHQ2A · pith_short_16: 2LR5ZD5YHQ2AFJO7 · pith_short_8: 2LR5ZD5Y

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/2LR5ZD5YHQ2AFJO7GKZN4OULR7 \
  | 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: d2e3dc8fb83c3402a5df32b2de3a8b8fc6c89f59cbad35f9bcb4693e7d3fa423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e30664ebecc5c44a096c69054941b69b0c2f79f0339778e1440145d9692d519",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-08-13T12:42:26Z",
    "title_canon_sha256": "cd27c9dba5550bc83c2ec9e3ec95847b64aff98d586434548f880991c2fda495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.05863",
    "kind": "arxiv",
    "version": 1
  }
}