Pith Number

pith:3AKWKTRY

pith:2015:3AKWKTRYO7TJORVLN3GMCSVDY7

not attested not anchored not stored refs pending

Determining the covering factor of Compton-thick active galactic nuclei with NuSTAR

A. Comastri, C. J. Hailey, D. J. Walton, D. R. Ballantyne, D. Stern, E. Rivers, F. A. Harrison, F. E. Bauer, F. E. Christensen, F. Fuerst, M. Balokovic, M. Brightman, M. Koss, P. Arevalo, P. Gandhi, R. C. Hickox, R. Vasudevan, S. E. Boggs, S. LaMassa, S. Puccetti, W. W. Craig, W. W. Zhang

arxiv:1502.07353 v1 · 2015-02-25 · 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{3AKWKTRYO7TJORVLN3GMCSVDY7}

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	2026-05-18T02:03:34.124683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d815654e3877e69746ab6eccc14aa3c7e03c02d4a1c6cc251f99883a8324b379

Aliases

arxiv: 1502.07353 · arxiv_version: 1502.07353v1 · doi: 10.48550/arxiv.1502.07353 · pith_short_12: 3AKWKTRYO7TJ · pith_short_16: 3AKWKTRYO7TJORVL · pith_short_8: 3AKWKTRY

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/3AKWKTRYO7TJORVLN3GMCSVDY7 \
  | 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: d815654e3877e69746ab6eccc14aa3c7e03c02d4a1c6cc251f99883a8324b379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37e5f8cf982a564b50e05fabf0af31b992e8a815045405a047de4891f0a456bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-25T21:00:13Z",
    "title_canon_sha256": "e35404c540414eed806f0118978e7cdad8e4bad2046fa5ea8d831066f1dfb2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07353",
    "kind": "arxiv",
    "version": 1
  }
}