Pith Number

pith:QHGDFYPM

pith:2025:QHGDFYPMFZQQUPMHGKCPYUXPWC

not attested not anchored not stored refs pending

A MeerKAT view of the parsec-scale jets in the black-hole X-ray binary GRS 1758-258

I. Heywood, I. Mariani, J.H. Matthews, J. Mart\'i, P. Atri, P. L. Luque-Escamilla, R.P. Fender, S.E. Motta

arxiv:2509.10275 v1 · 2025-09-12 · 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{QHGDFYPMFZQQUPMHGKCPYUXPWC}

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	2026-07-05T12:11:06.127032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cc32e1ec2e610a3d873284fc52efb099e6e5cc7438f63f08beacfc85b6c14b

Aliases

arxiv: 2509.10275 · arxiv_version: 2509.10275v1 · doi: 10.48550/arxiv.2509.10275 · pith_short_12: QHGDFYPMFZQQ · pith_short_16: QHGDFYPMFZQQUPMH · pith_short_8: QHGDFYPM

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/QHGDFYPMFZQQUPMHGKCPYUXPWC \
  | 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: 81cc32e1ec2e610a3d873284fc52efb099e6e5cc7438f63f08beacfc85b6c14b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57395c26c52a80ce4b7b395231a096868cce7001238c71182012d853f7523396",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-09-12T14:18:32Z",
    "title_canon_sha256": "f653cd711e07fa6b5ea8f3e24db2e3fddc1cf212add4c8cc1012cba14d17845c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10275",
    "kind": "arxiv",
    "version": 1
  }
}