Pith Number

pith:3MBKUDDM

pith:2018:3MBKUDDMLZ4SEFOWCFUVIRDCO5

not attested not anchored not stored refs pending

Broadband Spectrum of the X-ray Binary M33 X-6 from NuSTAR and Swift-XRT Data: An Extragalactic Z-Source?

R. A. Krivonos, S. M. Nikolaeva, S. Yu. Sazonov

arxiv:1809.02871 v1 · 2018-09-08 · 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{3MBKUDDMLZ4SEFOWCFUVIRDCO5}

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	2026-05-18T00:06:10.795216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db02aa0c6c5e792215d61169544462776a373091ace290faf517d5ae732c3bab

Aliases

arxiv: 1809.02871 · arxiv_version: 1809.02871v1 · doi: 10.48550/arxiv.1809.02871 · pith_short_12: 3MBKUDDMLZ4S · pith_short_16: 3MBKUDDMLZ4SEFOW · pith_short_8: 3MBKUDDM

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/3MBKUDDMLZ4SEFOWCFUVIRDCO5 \
  | 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: db02aa0c6c5e792215d61169544462776a373091ace290faf517d5ae732c3bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9058e2153e1add1e8aa7cc1325fe95fa97909bda311759e83c19f81bf00714e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-08T20:42:50Z",
    "title_canon_sha256": "bb3255d65420e37db85b0ec5a13dbedad0b4f66c5507640d7e4d9057f392ef99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02871",
    "kind": "arxiv",
    "version": 1
  }
}