Pith Number

pith:2VPEERXF

pith:2025:2VPEERXF46GM5J3GUYXOEPLWPP

not attested not anchored not stored refs pending

Euclid Quick Data Release (Q1) -- Spectroscopic search, classification and analysis of ultracool dwarfs in the Deep Fields

A. Burgasser, C. Dominguez-Tagle, D. Barrado, E. L. Mart\'in, E. Solano, J.-Y. Zhang, M. \v{Z}erjal, N. Lodieu, N. Phan-Bao, N. Sedighi, N. Vitas, P. Cruz, P. Mas-Buitrago, R. Tata, S. Mu\~noz Torres, S. Tsilia, V. J. S. B\'ejar

arxiv:2503.22442 v2 · 2025-03-28 · astro-ph.SR · astro-ph.EP · 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{2VPEERXF46GM5J3GUYXOEPLWPP}

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	2026-07-05T11:48:48.200080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55e4246e5e78ccea766a62ee23d767bd601208f473bd6de5dd415d78ee4ce86

Aliases

arxiv: 2503.22442 · arxiv_version: 2503.22442v2 · doi: 10.48550/arxiv.2503.22442 · pith_short_12: 2VPEERXF46GM · pith_short_16: 2VPEERXF46GM5J3G · pith_short_8: 2VPEERXF

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/2VPEERXF46GM5J3GUYXOEPLWPP \
  | 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: d55e4246e5e78ccea766a62ee23d767bd601208f473bd6de5dd415d78ee4ce86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e21e1d1aa717483f215d2c508dc5ccd239bebd5d0a127c85412b6d02e69727",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-03-28T13:59:48Z",
    "title_canon_sha256": "55f93d141dd347f3f2a6a17b7c69c0a5793974dbae16cdf409eb36696fc1b611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22442",
    "kind": "arxiv",
    "version": 2
  }
}