Pith Number

pith:GNOATMU2

pith:2018:GNOATMU2FNEDWEQ5P3Y5WW2AHQ

not attested not anchored not stored refs pending

The NuSTAR Extragalactic Surveys: source catalog and the Compton-thick fraction in the UDS field

A. Comastri, A. Masini, C. Ricci, C. Saez, D. D. Kocevski, D. Farrah, D. M. Alexander, D. R. Ballantyne, D. Stern, E. Treister, F. A. Harrison, F. Civano, F. Fornasini, G. B. Lansbury, L. Lanz, L. Zappacosta, P. Gandhi, P. G. Boorman, R. C. Hickox, S. Marchesi, S. Puccetti, W. N. Brandt

arxiv:1801.01881 v1 · 2018-01-05 · 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{GNOATMU2FNEDWEQ5P3Y5WW2AHQ}

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	2026-05-18T00:20:35.747465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

335c09b29a2b483b121d7ef1db5b403c1c30c0450eccf5f229ac2dc21645bbd3

Aliases

arxiv: 1801.01881 · arxiv_version: 1801.01881v1 · doi: 10.48550/arxiv.1801.01881 · pith_short_12: GNOATMU2FNED · pith_short_16: GNOATMU2FNEDWEQ5 · pith_short_8: GNOATMU2

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/GNOATMU2FNEDWEQ5P3Y5WW2AHQ \
  | 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: 335c09b29a2b483b121d7ef1db5b403c1c30c0450eccf5f229ac2dc21645bbd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48cd91fdaeef164cc814a233886c022247a9cb89639ecd44e23cfbd03de32e1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-05T19:00:01Z",
    "title_canon_sha256": "824c9bcfb2d7ecf4565f97771e55e9e0e600d72e3060ded184d7d3d1a3c36a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01881",
    "kind": "arxiv",
    "version": 1
  }
}