Pith Number

pith:C2IDY5XR

pith:2020:C2IDY5XRBXWZUDOQVJFXTMJTC3

not attested not anchored not stored refs pending

$NuSTAR$ Observations of Four Nearby X-ray Faint AGN: Low Luminosity or Heavy Obscuration?

A. Annuar (UKM), A. Del Moro, A. Masini, C. Ricci, C.-T. J. Chen, D. Asmus, D. Farrah, D. M. Alexander, D. R. Ballantyne, D. Stern, E. Nardini, F. A. Harrison, F. E. Bauer, G. B. Lansbury, L. Lanz, L. Zappacosta, M. Balokovic, M. Brightman, M. J. Koss, P. Gandhi, P. G. Boorman, S. Marchesi, W. N. Brandt

arxiv:2006.13583 v1 · 2020-06-24 · 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{C2IDY5XRBXWZUDOQVJFXTMJTC3}

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	2026-07-05T01:16:56.588123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16903c76f10ded9a0dd0aa4b79b13316c7d513579570eea5b027273820342b4f

Aliases

arxiv: 2006.13583 · arxiv_version: 2006.13583v1 · doi: 10.48550/arxiv.2006.13583 · pith_short_12: C2IDY5XRBXWZ · pith_short_16: C2IDY5XRBXWZUDOQ · pith_short_8: C2IDY5XR

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/C2IDY5XRBXWZUDOQVJFXTMJTC3 \
  | 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: 16903c76f10ded9a0dd0aa4b79b13316c7d513579570eea5b027273820342b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dddf206a626a9d0013b2a3c743d8e4a5ea1ed2b2b8b0bebb10703b2c143de13f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-06-24T09:59:42Z",
    "title_canon_sha256": "ac62be158327f0e71bf18a8335a4df710caed7f9947c7ec24f2a63eeb9aa7cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13583",
    "kind": "arxiv",
    "version": 1
  }
}