Pith Number

pith:XJ7PIUFI

pith:2026:XJ7PIUFIAK6GGJX3XX66IAHZQJ

not attested not anchored not stored refs pending

New Dynamical Measurements from a Lensed Quasar Sample: Joint Analysis Constrains the Mass Profile Evolution of Lens Galaxies

Hui Li, Jiaze Gao, Jun Wang, Yiping Shu, Yun Chen, Ziyu Guo, Zizhao He

arxiv:2602.13578 v2 · 2026-02-14 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJ7PIUFIAK6GGJX3XX66IAHZQJ}

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	2026-06-02T01:03:15.725935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba7ef450a802bc6326fbbdfde400f982780d2e3ec40d4aee59ee9e454b98aefa

Aliases

arxiv: 2602.13578 · arxiv_version: 2602.13578v2 · doi: 10.48550/arxiv.2602.13578 · pith_short_12: XJ7PIUFIAK6G · pith_short_16: XJ7PIUFIAK6GGJX3 · pith_short_8: XJ7PIUFI

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/XJ7PIUFIAK6GGJX3XX66IAHZQJ \
  | 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: ba7ef450a802bc6326fbbdfde400f982780d2e3ec40d4aee59ee9e454b98aefa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f04f1254532100008f47f02b8249a75a3e88e164de985317790ff713bade1731",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-02-14T03:29:30Z",
    "title_canon_sha256": "1253ea8d33b06eb375cb809056805c04920f05788b62e314bd31d2b6b459dca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.13578",
    "kind": "arxiv",
    "version": 2
  }
}