Pith Number

pith:C4HIBFTQ

pith:2026:C4HIBFTQFG2ZGJI6IDQIJBJDAB

not attested not anchored not stored refs pending

Difference Between Half-mass Radius and Half-light Radius of Galaxies at 0.2 $< z <$ 2.5 Revealed by JWST/NIRCam Data

Guanwen Fang, Jie Song, Mingen Xin, Shiying Lu, Xu Kong, Zesen Lin

arxiv:2605.20887 v1 · 2026-05-20 · 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{C4HIBFTQFG2ZGJI6IDQIJBJDAB}

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	2026-05-21T01:05:26.431159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170e80967029b593251e40e0848523007ebe3d04a822960d5d84f7918c146b75

Aliases

arxiv: 2605.20887 · arxiv_version: 2605.20887v1 · doi: 10.48550/arxiv.2605.20887 · pith_short_12: C4HIBFTQFG2Z · pith_short_16: C4HIBFTQFG2ZGJI6 · pith_short_8: C4HIBFTQ

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/C4HIBFTQFG2ZGJI6IDQIJBJDAB \
  | 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: 170e80967029b593251e40e0848523007ebe3d04a822960d5d84f7918c146b75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c28117375c4a60e5371a92843127cab7b3048e4ee62027c50ec257add735fb51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-20T08:26:43Z",
    "title_canon_sha256": "388e17e492f5c58f11918a10929be7a1739b165353d75e9cb9635acf870ae363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20887",
    "kind": "arxiv",
    "version": 1
  }
}