Pith Number

pith:H26W5Q3Q

pith:2014:H26W5Q3QYW4WTEZVTHG3HSLWB5

not attested not anchored not stored refs pending

Compton thick active galactic nuclei in Chandra surveys

Cyprian Rangel, Kirpal Nandra, Li-Ting Hsu, Mara Salvato, Murray Brightman

arxiv:1406.4502 v1 · 2014-06-17 · 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{H26W5Q3QYW4WTEZVTHG3HSLWB5}

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	2026-05-18T01:42:55.688062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebd6ec370c5b969933599cdb3c9760f6c323aa3feaa0f57f5a1cf4414df3d32

Aliases

arxiv: 1406.4502 · arxiv_version: 1406.4502v1 · doi: 10.48550/arxiv.1406.4502 · pith_short_12: H26W5Q3QYW4W · pith_short_16: H26W5Q3QYW4WTEZV · pith_short_8: H26W5Q3Q

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/H26W5Q3QYW4WTEZVTHG3HSLWB5 \
  | 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: 3ebd6ec370c5b969933599cdb3c9760f6c323aa3feaa0f57f5a1cf4414df3d32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29be50b2f664920c3e8f3024a028ec8a226176538f93375fe97a262a834e3342",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-06-17T20:00:04Z",
    "title_canon_sha256": "5d0c91d8f00050c1a5f97f261bf85f052a21d0843df39f419025323923ea43fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4502",
    "kind": "arxiv",
    "version": 1
  }
}