Pith Number

pith:NHWB4W5E

pith:2026:NHWB4W5EZTP4FTQ7WV7DTY3BNO

not attested not anchored not stored refs pending

A Spitzer Space Telescope Exploration Science Program to Search for Y Dwarf Variability

Adam J. Burgasser, Caroline V. Morley, Christopher R. Gelino, Gregory N. Mace, J. Davy Kirkpatrick, Jesica L. Trucks, John E. Gizis, Jonathan J. Fortney, Kevin K. Hardegree-Ullman, Mark S. Marley, Michael C. Cushing, Sandy Leggett, Sean J. Carey

arxiv:2606.26411 v1 · 2026-06-24 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHWB4W5EZTP4FTQ7WV7DTY3BNO}

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	2026-06-26T00:15:40.256070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ec1e5ba4ccdfc2ce1fb57e39e3616b97f5ae10252b9df900cae5833d1703db

Aliases

arxiv: 2606.26411 · arxiv_version: 2606.26411v1 · doi: 10.48550/arxiv.2606.26411 · pith_short_12: NHWB4W5EZTP4 · pith_short_16: NHWB4W5EZTP4FTQ7 · pith_short_8: NHWB4W5E

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/NHWB4W5EZTP4FTQ7WV7DTY3BNO \
  | 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: 69ec1e5ba4ccdfc2ce1fb57e39e3616b97f5ae10252b9df900cae5833d1703db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c76f5eedc4e2b86aecc40f9040d69e214cde3dbbac93ea1745f475cf9685a9",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-24T22:10:59Z",
    "title_canon_sha256": "4a7eac6c761ab0ceb810790361e314bb3bdac45703422259a2719a2253a734ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26411",
    "kind": "arxiv",
    "version": 1
  }
}