Pith Number

pith:3NJ5SSTM

pith:2025:3NJ5SSTMJDEVGV45LWHGNMRFE3

not attested not anchored not stored refs pending

Measurements of quasar proximity zones with the Ly$\alpha$ forest of DESI Y1 quasars

A. Cuceu, A. de la Macorra, A. Font-Ribera, A. Kremin, A. Meisner, A. Mu\~noz-Guti\'errez, B. A. Weaver, C. Lamman, C. Poppett, David H. Weinberg, D. Bianchi, D. Brooks, D. Kirkby, D. Schlegel, D. Sprayberry, E. Gazta\~naga, E. Sanchez, F. Prada, G. Gutierrez, G. Rossi, G. Tarl\'e, H. K. Herrera-Alcantar, H. Zou, I. P\'erez-R\`afols, J. Aguilar, J. E. Forero-Romero, J. Guy, J. Silber, K. Honscheid, L. Le Guillou, M. Ishak, M. Landriau, M. Schubnell, N. Palanque-Delabrouille, Paul Martini, R. Joyce, R. Miquel, Ryuichiro Hada, S. Ahlen, S. Ferraro, T. Claybaugh, T. Kisner, W. J. Percival, Zheng Zheng

arxiv:2512.18281 v2 · 2025-12-20 · 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{3NJ5SSTMJDEVGV45LWHGNMRFE3}

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	2026-05-20T00:04:19.334110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db53d94a6c48c953579d5d8e66b22526e46e770a67b5b8f8994fd2a27512a010

Aliases

arxiv: 2512.18281 · arxiv_version: 2512.18281v2 · doi: 10.48550/arxiv.2512.18281 · pith_short_12: 3NJ5SSTMJDEV · pith_short_16: 3NJ5SSTMJDEVGV45 · pith_short_8: 3NJ5SSTM

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/3NJ5SSTMJDEVGV45LWHGNMRFE3 \
  | 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: db53d94a6c48c953579d5d8e66b22526e46e770a67b5b8f8994fd2a27512a010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b42687b783749b99192845e097ce02fcd76b9350c6560c40872b9c7e2eaeba52",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-12-20T09:06:19Z",
    "title_canon_sha256": "0bc14c489d2e1720bd84b84cf45e27f1465e86ed176dd69f0ae035293b7baa44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.18281",
    "kind": "arxiv",
    "version": 2
  }
}