Pith Number

pith:7BGUEKYW

pith:2018:7BGUEKYWPVJEMHFM27VEWW3CRT

not attested not anchored not stored refs pending

A faint outburst of the accreting millisecond X-ray pulsar SAX J1748.9-2021 in NGC 6440

A. Riggio, A. Sanna, C. S\'anchez-Fern\'andez, E. Bozzo, F. Pintore, L. Burderi, R. Iaria, S. Mereghetti, T. Di Salvo

arxiv:1806.10944 v1 · 2018-06-28 · 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{7BGUEKYWPVJEMHFM27VEWW3CRT}

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	2026-05-18T00:10:36.940720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84d422b167d52461cacd7ea4b5b628cd98e9f24e87f2416744e98d249fbfc38

Aliases

arxiv: 1806.10944 · arxiv_version: 1806.10944v1 · doi: 10.48550/arxiv.1806.10944 · pith_short_12: 7BGUEKYWPVJE · pith_short_16: 7BGUEKYWPVJEMHFM · pith_short_8: 7BGUEKYW

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/7BGUEKYWPVJEMHFM27VEWW3CRT \
  | 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: f84d422b167d52461cacd7ea4b5b628cd98e9f24e87f2416744e98d249fbfc38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f70d6fc4caa4230e8626a2b5b63a0706712ebefa7bdd3ddeab3d1e83113ae9c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-28T13:18:22Z",
    "title_canon_sha256": "fd028def5ede8b8059ebd0b70f38119ba9500ca1089093d75e8ae5aea1e4cd05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10944",
    "kind": "arxiv",
    "version": 1
  }
}