Pith Number

pith:IQZCS5X7

pith:2019:IQZCS5X74MZHKKJ7CN5M22KXHR

not attested not anchored not stored refs pending

The brightening of the pulsar wind nebula of PSR B0540--69 after its spin-down rate transition

F. J. Lu, L. J. Wang, L. L. Yan, M. Y. Ge, Q. D. Wang, S. N. Zhang, S. S. Weng, W. Zhang, Z. J. Li

arxiv:1909.04364 v1 · 2019-09-10 · 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{IQZCS5X74MZHKKJ7CN5M22KXHR}

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	2026-07-05T00:03:21.355436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44322976ffe33275293f137acd69573c6c256edbbf198687e1002e00a4367c76

Aliases

arxiv: 1909.04364 · arxiv_version: 1909.04364v1 · doi: 10.48550/arxiv.1909.04364 · pith_short_12: IQZCS5X74MZH · pith_short_16: IQZCS5X74MZHKKJ7 · pith_short_8: IQZCS5X7

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/IQZCS5X74MZHKKJ7CN5M22KXHR \
  | 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: 44322976ffe33275293f137acd69573c6c256edbbf198687e1002e00a4367c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d402e6613ff76ea96ea3c996e8668588c321ffa13612318faf8061fc0fb83843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-10T09:26:09Z",
    "title_canon_sha256": "5d09c54ff168beaf49b482f030a282ab8f2d04f49c048958eb49e010945c72b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04364",
    "kind": "arxiv",
    "version": 1
  }
}