Pith Number

pith:W4LLUXC7

pith:2025:W4LLUXC7ZG3A4ZX4PM5J5E3IX7

not attested not anchored not stored refs pending

Confirming HSC strong lens candidates with DESI Spectroscopy. I. Project overview and first results

Shen Li, Yiping Shu

arxiv:2505.16158 v2 · 2025-05-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4LLUXC7ZG3A4ZX4PM5J5E3IX7}

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	2026-07-05T12:07:07.472437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b716ba5c5fc9b60e66fc7b3a9e9368bfc12f8b9f316af018206f4f5f3122fa31

Aliases

arxiv: 2505.16158 · arxiv_version: 2505.16158v2 · doi: 10.48550/arxiv.2505.16158 · pith_short_12: W4LLUXC7ZG3A · pith_short_16: W4LLUXC7ZG3A4ZX4 · pith_short_8: W4LLUXC7

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/W4LLUXC7ZG3A4ZX4PM5J5E3IX7 \
  | 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: b716ba5c5fc9b60e66fc7b3a9e9368bfc12f8b9f316af018206f4f5f3122fa31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867dd21541f0a829c9d9d075fa0021200f7f1877c4ffd2906c06d66b213beef5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-22T02:57:53Z",
    "title_canon_sha256": "99d8b8e6f674241681b3a58e6595c8ff2c57d9879764c3f8ecab8b7627a2a524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16158",
    "kind": "arxiv",
    "version": 2
  }
}