Pith Number

pith:2QWBKDX4

pith:2010:2QWBKDX4DKJHRFJMOKABFDYCVQ

not attested not anchored not stored refs pending

The Nuclear Spectroscopic Telescope Array (NuSTAR)

Allan Hornstrup, Andreas Zoglauer, Brian Grefenstette, Carl Christian Liebe, Charles Hailey, Daniel Stern, David Meier, Finn Christensen, Fiona A. Harrison, Greg Madejski, Hiromasa Miyasaka, Hongjun An, Jason Koglin, Kaya Mori, Kristin Kruse Madsen, Lorella Angelini, Lynn Cominsky, Matteo Perri, Melania Doll, Michael Pivovaroff, Nicolai Brejnholt, Paolo Giommi, Peter Mao, Simonetta Puccetti, Steven Boggs, Takao Kitaguchi, Varun Bhalereo, Victoria M. Kaspi, Vikram Rana, William Craig, William Zhang, W. Rick Cook, Yunjin Kim

arxiv:1008.1362 v1 · 2010-08-07 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QWBKDX4DKJHRFJMOKABFDYCVQ}

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	2026-05-18T02:05:58.058616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42c150efc1a9278952c7280128f02ac396d0fc1e6bf6d2b9e3376d7f8bc509a

Aliases

arxiv: 1008.1362 · arxiv_version: 1008.1362v1 · doi: 10.48550/arxiv.1008.1362 · pith_short_12: 2QWBKDX4DKJH · pith_short_16: 2QWBKDX4DKJHRFJM · pith_short_8: 2QWBKDX4

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/2QWBKDX4DKJHRFJMOKABFDYCVQ \
  | 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: d42c150efc1a9278952c7280128f02ac396d0fc1e6bf6d2b9e3376d7f8bc509a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28cad45b479594f43d3d177fa2c3a69783cc6c1b2c3a8914f69b8192f9ae8bb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-08-07T20:51:37Z",
    "title_canon_sha256": "bf8453349d5f06ca0b78ef94cf32a87f4836b640010756206567ce782138e96f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1362",
    "kind": "arxiv",
    "version": 1
  }
}