Pith Number

pith:KDPXZPQL

pith:2025:KDPXZPQLHSU6APEBIEEKBKPLGJ

not attested not anchored not stored refs pending

CECILIA: Ultra-Deep Rest-Optical Spectra of Faint Galaxies at Cosmic Noon

Allison L. Strom, Caroline von Raesfeld, Charles C. Steidel, Gwen C. Rudie, Menelaos Raptis, Michael V. Maseda, Nathalie A. Korhonen Cuestas, Noah S. J. Rogers, Ryan F. Trainor

arxiv:2507.22237 v1 · 2025-07-29 · 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{KDPXZPQLHSU6APEBIEEKBKPLGJ}

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	2026-07-05T11:45:19.000608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50df7cbe0b3ca9e03c814108a0a9eb327ba3c7212efe0d5633d89a86bea40542

Aliases

arxiv: 2507.22237 · arxiv_version: 2507.22237v1 · doi: 10.48550/arxiv.2507.22237 · pith_short_12: KDPXZPQLHSU6 · pith_short_16: KDPXZPQLHSU6APEB · pith_short_8: KDPXZPQL

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/KDPXZPQLHSU6APEBIEEKBKPLGJ \
  | 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: 50df7cbe0b3ca9e03c814108a0a9eb327ba3c7212efe0d5633d89a86bea40542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7491b4200873dcc3c3c74906f6ec06db5534835f168828ab0fa8a519a40c5a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-29T21:21:41Z",
    "title_canon_sha256": "33d22d68ef080603b8a5ece0bdc987fd3e6e7d49516cbefdd5bcaa414d1055f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22237",
    "kind": "arxiv",
    "version": 1
  }
}