Pith Number

pith:2ZTUISWR

pith:2016:2ZTUISWRRBXUYC6GUJTVWUD2OL

not attested not anchored not stored refs pending

The NuSTAR X-ray Spectrum of Hercules X-1: A Radiation-Dominated Radiative Shock

Amy M. Gottlieb, Diana M. Marcu-Cheatham, Felix F\"urst, Fritz-Walter Schwarm, J\"orn Wilms, Katja Pottschmidt, Kent S. Wood, Michael T. Wolff, Paul B. Hemphill, Peter A. Becker

arxiv:1608.08978 v1 · 2016-08-31 · 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{2ZTUISWRRBXUYC6GUJTVWUD2OL}

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	2026-05-18T00:59:19.537003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d667444ad1886f4c0bc6a2675b507a72d7d47875d3b697174053b972357050f7

Aliases

arxiv: 1608.08978 · arxiv_version: 1608.08978v1 · doi: 10.48550/arxiv.1608.08978 · pith_short_12: 2ZTUISWRRBXU · pith_short_16: 2ZTUISWRRBXUYC6G · pith_short_8: 2ZTUISWR

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/2ZTUISWRRBXUYC6GUJTVWUD2OL \
  | 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: d667444ad1886f4c0bc6a2675b507a72d7d47875d3b697174053b972357050f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581c9c7612ad2f1d943c2c24a55f7c3b293d601bd6aabb21ca35158fcd66be59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-08-31T18:22:09Z",
    "title_canon_sha256": "7c55624e792f2fc6aa3d0fe3268e9fa6211baefa74599f03cbbfe43d94c5f565"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08978",
    "kind": "arxiv",
    "version": 1
  }
}