pith. sign in
Pith Number

pith:YF5QJGLF

pith:2019:YF5QJGLFOOL4YLSOQB76EGQWI2
not attested not anchored not stored refs pending

Braking index jumps in young pulsars

Brazil), J.E. Horvath (IAG-USP, S\~ao Paulo U.

arxiv:1901.03405 v1 · 2019-01-10 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YF5QJGLFOOL4YLSOQB76EGQWI2}

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 2026-05-17T23:55:52.891393Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c17b0499657397cc2e4e807fe21a1646a853cc92944eb63c37c3395a5cee5163

Aliases

arxiv: 1901.03405 · arxiv_version: 1901.03405v1 · doi: 10.48550/arxiv.1901.03405 · pith_short_12: YF5QJGLFOOL4 · pith_short_16: YF5QJGLFOOL4YLSO · pith_short_8: YF5QJGLF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YF5QJGLFOOL4YLSOQB76EGQWI2 \
  | 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: c17b0499657397cc2e4e807fe21a1646a853cc92944eb63c37c3395a5cee5163
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "01bdb40c11156bc209b1b26d5e43db227758505ed9b30bd2fd9b79860172c9d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-10T21:33:49Z",
    "title_canon_sha256": "8a5efb42d2abad451e410050c27b5cb9deaef82abfd7b4a2ee4e02fa73171be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03405",
    "kind": "arxiv",
    "version": 1
  }
}