Pith Number

pith:WLZU5CFH

pith:2018:WLZU5CFHHCVV5B45SVR2EXBRXI

not attested not anchored not stored refs pending

BlackCAT CubeSat: A Soft X-ray Sky Monitor, Transient Finder, and Burst Detector for High-energy and Multimessenger Astrophysics

Abraham D. Falcone, David N. Burrows, David Palmer, Derek B. Fox, Tanmoy Chattopadhyay

arxiv:1807.03333 v1 · 2018-07-09 · astro-ph.IM · 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{WLZU5CFHHCVV5B45SVR2EXBRXI}

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	2026-05-18T00:11:10.794724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f34e88a738ab5e879d9563a25c31ba0920cc0859ef33a259a6cf36b367bc1a

Aliases

arxiv: 1807.03333 · arxiv_version: 1807.03333v1 · doi: 10.48550/arxiv.1807.03333 · pith_short_12: WLZU5CFHHCVV · pith_short_16: WLZU5CFHHCVV5B45 · pith_short_8: WLZU5CFH

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/WLZU5CFHHCVV5B45SVR2EXBRXI \
  | 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: b2f34e88a738ab5e879d9563a25c31ba0920cc0859ef33a259a6cf36b367bc1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa7c97701de923b16e4a0663c152c3c316fb4e3cf5a7e969765bf396a8309f9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-09T18:41:03Z",
    "title_canon_sha256": "1ec16e9d98ad0672217cb721fa578edb4907682501bca55312148d44b0a43a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03333",
    "kind": "arxiv",
    "version": 1
  }
}