Pith Number

pith:NI2RBBU2

pith:2025:NI2RBBU2JYLUZDMMPCCUFQDKNJ

not attested not anchored not stored refs pending

Is Earendel a Star?: Investigating the Sunrise Arc Using JWST Strong and Weak Gravitational Lensing Analyses

Hyosun Park, M. James Jee, Sangjun Cha, Zachary P. Scofield

arxiv:2504.08879 v1 · 2025-04-11 · 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{NI2RBBU2JYLUZDMMPCCUFQDKNJ}

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	2026-07-05T10:48:00.890751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3510869a4e174c8d8c788542c06a6a76c2ba627e2148e7c63509ccbf58adb0

Aliases

arxiv: 2504.08879 · arxiv_version: 2504.08879v1 · doi: 10.48550/arxiv.2504.08879 · pith_short_12: NI2RBBU2JYLU · pith_short_16: NI2RBBU2JYLUZDMM · pith_short_8: NI2RBBU2

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/NI2RBBU2JYLUZDMMPCCUFQDKNJ \
  | 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: 6a3510869a4e174c8d8c788542c06a6a76c2ba627e2148e7c63509ccbf58adb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6053144f78b1c37a79abfccfd3987b09fb63af944e871c6f4330949e15e63e26",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-11T18:00:00Z",
    "title_canon_sha256": "9884fd12b913058ff19b50520ebdf620a0480bd4b02d55b5023e5cfa706c0bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.08879",
    "kind": "arxiv",
    "version": 1
  }
}