Pith Number

pith:SJYDBJ37

pith:2019:SJYDBJ37M75EDUU5WVAC623DS2

not attested not anchored not stored refs pending

On the ultra-compact nature of the neutron star system 1RXS J170854.4-321857: insights from X-ray spectroscopy

E. L\'opez-Navas, M. Armas Padilla

arxiv:1907.10631 v1 · 2019-07-24 · 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{SJYDBJ37M75EDUU5WVAC623DS2}

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	2026-07-04T23:58:52.966771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

927030a77f67fa41d29db5402f6b639696056254fae9785eb1c6c6c230d0ca06

Aliases

arxiv: 1907.10631 · arxiv_version: 1907.10631v1 · doi: 10.48550/arxiv.1907.10631 · pith_short_12: SJYDBJ37M75E · pith_short_16: SJYDBJ37M75EDUU5 · pith_short_8: SJYDBJ37

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/SJYDBJ37M75EDUU5WVAC623DS2 \
  | 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: 927030a77f67fa41d29db5402f6b639696056254fae9785eb1c6c6c230d0ca06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5f6f6939437d50348ee50af1d662234df7977965be949f79607292e170cd0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-24T18:00:48Z",
    "title_canon_sha256": "4880acb97c73161bc72405aaa10f1d52f6e8779f1ed7f940a8f53677309f695c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10631",
    "kind": "arxiv",
    "version": 1
  }
}