Pith Number

pith:XFQKTPDT

pith:2019:XFQKTPDT3GVV5WVGE6XOCDVNZI

not attested not anchored not stored refs pending

Mass and spin measurements for the neutron star 4U1608-52 through the relativistic precession model

Lise du Buisson, Rob P. Fender, Sara E. Motta

arxiv:1905.00366 v1 · 2019-05-01 · 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{XFQKTPDT3GVV5WVGE6XOCDVNZI}

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	2026-05-17T23:47:13.055076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b960a9bc73d9ab5edaa627aee10eadca08bc5ab1c57cfe194b37723cf29e57ec

Aliases

arxiv: 1905.00366 · arxiv_version: 1905.00366v1 · doi: 10.48550/arxiv.1905.00366 · pith_short_12: XFQKTPDT3GVV · pith_short_16: XFQKTPDT3GVV5WVG · pith_short_8: XFQKTPDT

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/XFQKTPDT3GVV5WVGE6XOCDVNZI \
  | 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: b960a9bc73d9ab5edaa627aee10eadca08bc5ab1c57cfe194b37723cf29e57ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bc6ff70c9e734af40717ad099bb26f1052cf11f7c1ac1659da3540a98ca208f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-01T16:29:33Z",
    "title_canon_sha256": "28783b6c86b63fcccabb201be52c0a7232bae59e4b390c064be1157f2da31abe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00366",
    "kind": "arxiv",
    "version": 1
  }
}