Pith Number

pith:DCW7IGAX

pith:2019:DCW7IGAXMZSHH7N74AST532GBA

not attested not anchored not stored refs pending

A High Spectral Resolution Study of the Soft X-ray Background with the X-ray Quantum Calorimeter

Andrew E Szymkowiak, Caroline A Kilbourne, Dallas Wulf, Dan McCammon, Felix Jaeckel, F Scott Porter, Kelsey M Morgan, Massimiliano Galeazzi, Megan E Eckart, Richard L Kelley

arxiv:1909.07432 v1 · 2019-09-16 · 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{DCW7IGAXMZSHH7N74AST532GBA}

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	2026-07-05T00:12:53.570245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18adf41817666473fdbfe0253eef46080caa014f4cbba5884f46f970728a9541

Aliases

arxiv: 1909.07432 · arxiv_version: 1909.07432v1 · doi: 10.48550/arxiv.1909.07432 · pith_short_12: DCW7IGAXMZSH · pith_short_16: DCW7IGAXMZSHH7N7 · pith_short_8: DCW7IGAX

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/DCW7IGAXMZSHH7N74AST532GBA \
  | 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: 18adf41817666473fdbfe0253eef46080caa014f4cbba5884f46f970728a9541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a269793eb82bc9dd06a2aa81d39c55f64c04c0fe5b8102de13297942565ca292",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-16T18:42:05Z",
    "title_canon_sha256": "c991bf9c287362d3e68313b2a82ea96c0e3db9d727b30e6056fa229b85df842d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07432",
    "kind": "arxiv",
    "version": 1
  }
}