Pith Number

pith:24UQSQ7Z

pith:2019:24UQSQ7ZH4HDHKBK3VMAP4M7IB

not attested not anchored not stored refs pending

Study of the X-ray properties of the neutron-star binary 4U 1728$-$34 from the soft to hard state

Andrea Sanna, Diego Altamirano, Evandro M. Ribeiro, Guobao Zhang, John A. Tomsick, Mariano M\'endez, M. Linares, S.E. Motta, T. M. Belloni, Yanan Wang

arxiv:1901.06473 v1 · 2019-01-19 · 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{24UQSQ7ZH4HDHKBK3VMAP4M7IB}

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	2026-05-17T23:55:50.177309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7290943f93f0e33a82add5807f19f404ca85f5033e4e4d4ec995c0049d46e66

Aliases

arxiv: 1901.06473 · arxiv_version: 1901.06473v1 · doi: 10.48550/arxiv.1901.06473 · pith_short_12: 24UQSQ7ZH4HD · pith_short_16: 24UQSQ7ZH4HDHKBK · pith_short_8: 24UQSQ7Z

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/24UQSQ7ZH4HDHKBK3VMAP4M7IB \
  | 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: d7290943f93f0e33a82add5807f19f404ca85f5033e4e4d4ec995c0049d46e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f41b70d58b7d1ed30c77ebd27e744195e5876a9430d03eaaee10c6be219e77a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-19T06:40:27Z",
    "title_canon_sha256": "8419db7ca464b4e6ad66c70e691caaebb167772f30c2c8c13e03edfdbf114900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06473",
    "kind": "arxiv",
    "version": 1
  }
}