Pith Number

pith:IC74MWT6

pith:2018:IC74MWT6ZDH32Z5EEB2WL7E7UR

not attested not anchored not stored refs pending

NuSTAR observations of heavily obscured Swift/BAT AGN: constraints on the Compton-thick AGN fraction

A. Akylas, I. Georgantopoulos

arxiv:1809.03747 v1 · 2018-09-11 · astro-ph.GA · 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{IC74MWT6ZDH32Z5EEB2WL7E7UR}

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	2026-05-17T23:56:47.270786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40bfc65a7ec8cfbd67a4207565fc9fa4591ccb224dcde3521575ba30cdf7f719

Aliases

arxiv: 1809.03747 · arxiv_version: 1809.03747v1 · doi: 10.48550/arxiv.1809.03747 · pith_short_12: IC74MWT6ZDH3 · pith_short_16: IC74MWT6ZDH32Z5E · pith_short_8: IC74MWT6

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/IC74MWT6ZDH32Z5EEB2WL7E7UR \
  | 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: 40bfc65a7ec8cfbd67a4207565fc9fa4591ccb224dcde3521575ba30cdf7f719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "104904a2b31b04f5588379e6cf5a618e92097254c96f297c61a659eda074340d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-11T08:45:50Z",
    "title_canon_sha256": "9cabd3d205cbb771d547e415455a7e4211b6e30f2c7e4505bd642328e32b6bba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03747",
    "kind": "arxiv",
    "version": 1
  }
}