Pith Number

pith:DSDWGS3M

pith:2025:DSDWGS3MGQLQYKUZDJWCYZ5O2M

not attested not anchored not stored refs pending

Atmospheric model-trained machine learning selection and classification of ultracool TY dwarfs

Ankit Biswas

arxiv:2507.00957 v1 · 2025-07-01 · astro-ph.SR · astro-ph.EP · astro-ph.IM · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSDWGS3MGQLQYKUZDJWCYZ5O2M}

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	2026-07-05T12:00:03.762283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c87634b6c34170c2a991a6c2c67aed32cc217e617803c21761374e14b2c9273

Aliases

arxiv: 2507.00957 · arxiv_version: 2507.00957v1 · doi: 10.48550/arxiv.2507.00957 · pith_short_12: DSDWGS3MGQLQ · pith_short_16: DSDWGS3MGQLQYKUZ · pith_short_8: DSDWGS3M

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/DSDWGS3MGQLQYKUZDJWCYZ5O2M \
  | 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: 1c87634b6c34170c2a991a6c2c67aed32cc217e617803c21761374e14b2c9273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9780d88a1503153e996e68587ed628eec6437b7af4cb883cfec47202bbec331c",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-01T17:06:16Z",
    "title_canon_sha256": "b100995c67d66823e4f7d3dae37a94470349d968ca8ef655982f24df3ea24d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00957",
    "kind": "arxiv",
    "version": 1
  }
}