Pith Number

pith:7PBA3QY4

pith:2025:7PBA3QY4YN535ROF4622LO4ZM2

not attested not anchored not stored refs pending

SNELLS-HD I: a first look at the stellar properties of the massive strong-lens galaxy SNL-1 with 50 pc resolution

Adriano Poci, Russell J. Smith

arxiv:2509.01732 v1 · 2025-09-01 · 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{7PBA3QY4YN535ROF4622LO4ZM2}

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	2026-07-05T12:03:07.037840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbc20dc31cc37bbec5c5e7b5a5bb9966893a67b6717963875640f5524d04fdcf

Aliases

arxiv: 2509.01732 · arxiv_version: 2509.01732v1 · doi: 10.48550/arxiv.2509.01732 · pith_short_12: 7PBA3QY4YN53 · pith_short_16: 7PBA3QY4YN535ROF · pith_short_8: 7PBA3QY4

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/7PBA3QY4YN535ROF4622LO4ZM2 \
  | 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: fbc20dc31cc37bbec5c5e7b5a5bb9966893a67b6717963875640f5524d04fdcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46db7e09438fdcba093b7ca970f707602eba0a62439a05889544fcde44107f17",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-01T19:27:40Z",
    "title_canon_sha256": "08782256c335a4dd92805f92ebd3bbaf762471dfa164a2334d748dc0f6dadf8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01732",
    "kind": "arxiv",
    "version": 1
  }
}