Pith Number

pith:YSEY2TNL

pith:2012:YSEY2TNLPU3AV5CEKSYRDK3UUX

not attested not anchored not stored refs pending

XMM-Newton Finds That SAX J1750.8-2900 May Harbor the Hottest, Most Luminous Known Neutron Star

Alexander W. Lowell, Arash Bodaghee, Craig O. Heinke, Jerome Rodriguez, John A. Tomsick, Philip Kaaret, Roland Walter, Steven E. Boggs, Sylvain Chaty

arxiv:1202.1531 v2 · 2012-02-07 · 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{YSEY2TNLPU3AV5CEKSYRDK3UUX}

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	2026-05-18T01:58:32.709910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4898d4dab7d360af44454b111ab74a5fada6f98909ec1d9df802f7aaa641aa1

Aliases

arxiv: 1202.1531 · arxiv_version: 1202.1531v2 · doi: 10.48550/arxiv.1202.1531 · pith_short_12: YSEY2TNLPU3A · pith_short_16: YSEY2TNLPU3AV5CE · pith_short_8: YSEY2TNL

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/YSEY2TNLPU3AV5CEKSYRDK3UUX \
  | 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: c4898d4dab7d360af44454b111ab74a5fada6f98909ec1d9df802f7aaa641aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b47fe22976a87181feefaebab07ee199290363cbeb9d9e183693ad2f45194ec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-07T21:05:41Z",
    "title_canon_sha256": "a895b4abeb7dc967d11826233fbecbd85efbd91a59fd1e7431c2a711c4376515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1531",
    "kind": "arxiv",
    "version": 2
  }
}