Pith Number

pith:JBPAQQ5Z

pith:2025:JBPAQQ5ZNKPZRHQ6MGQKXJVN72

not attested not anchored not stored refs pending

Arcsecond-Scale X-ray Imaging and Spectroscopy of SS 433 with Chandra HETG

Haruka Sakemi, Mami Machida, Miho Tan, Ryota Hayakawa, Shinya Yamada, Taichi Igarashi, Taisei Furuyama, Yusuke Sakai

arxiv:2507.19042 v2 · 2025-07-25 · 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{JBPAQQ5ZNKPZRHQ6MGQKXJVN72}

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	2026-07-05T11:51:32.749990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

485e0843b96a9f989e1e61a0aba6adfeae534950d9698c63ae5c18d95d5fbdea

Aliases

arxiv: 2507.19042 · arxiv_version: 2507.19042v2 · doi: 10.48550/arxiv.2507.19042 · pith_short_12: JBPAQQ5ZNKPZ · pith_short_16: JBPAQQ5ZNKPZRHQ6 · pith_short_8: JBPAQQ5Z

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/JBPAQQ5ZNKPZRHQ6MGQKXJVN72 \
  | 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: 485e0843b96a9f989e1e61a0aba6adfeae534950d9698c63ae5c18d95d5fbdea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb4b94944969598c5f67ef1151d6954f2d795eb479753658284f107d97ee4e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-25T07:54:27Z",
    "title_canon_sha256": "76b0165d75bac33852002d20da9998f6f020f2761d04d29ede7fc47c6573d665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19042",
    "kind": "arxiv",
    "version": 2
  }
}