Pith Number

pith:CRHCVYIM

pith:2022:CRHCVYIMIG2V6XJ6KIQOG37HQH

not attested not anchored not stored refs pending

Sensitive Chandra coverage of a representative sample of weak-line quasars: revealing the full range of X-ray properties

B. Luo, F. Vito, G. P. Garmire, J. D. Timlin III, J. Wu, O. Shemmer, P. B. Hall, Q. Ni, R. M. Plotkin, W. N. Brandt, W. Yi

arxiv:2202.05279 v1 · 2022-02-10 · 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{CRHCVYIMIG2V6XJ6KIQOG37HQH}

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	2026-07-05T03:59:03.382069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

144e2ae10c41b55f5d3e5220e36fe781e0bbb97c2e8fce586cb53e34638fadf1

Aliases

arxiv: 2202.05279 · arxiv_version: 2202.05279v1 · doi: 10.48550/arxiv.2202.05279 · pith_short_12: CRHCVYIMIG2V · pith_short_16: CRHCVYIMIG2V6XJ6 · pith_short_8: CRHCVYIM

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/CRHCVYIMIG2V6XJ6KIQOG37HQH \
  | 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: 144e2ae10c41b55f5d3e5220e36fe781e0bbb97c2e8fce586cb53e34638fadf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a90b3e82a128aec080db4da1ebedc407975fe8e6260d986b510a286d97f433",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-10T19:00:01Z",
    "title_canon_sha256": "850fca737d4f23b634705bec4a3b19c6e87f6723ee72eb0ab21c28a2d990db4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.05279",
    "kind": "arxiv",
    "version": 1
  }
}