Pith Number

pith:USX6PUYU

pith:2025:USX6PUYUJ33QFDNHEBKB727OKV

not attested not anchored not stored refs pending

$K_s$-band photometry of the Extreme T Subdwarf CWISE J221706.28$-$145437.6

Eduardo L. Mart\'in, Jerry Jun-Yan Zhang, Nicolas Lodieu

arxiv:2507.02022 v2 · 2025-07-02 · 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{USX6PUYUJ33QFDNHEBKB727OKV}

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	2026-07-05T11:34:11.063409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4afe7d3144ef7028da720541febee5546bc6abd6eca1ddb93289a35c9c7abff

Aliases

arxiv: 2507.02022 · arxiv_version: 2507.02022v2 · doi: 10.48550/arxiv.2507.02022 · pith_short_12: USX6PUYUJ33Q · pith_short_16: USX6PUYUJ33QFDNH · pith_short_8: USX6PUYU

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/USX6PUYUJ33QFDNHEBKB727OKV \
  | 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: a4afe7d3144ef7028da720541febee5546bc6abd6eca1ddb93289a35c9c7abff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2ba98f59f8e5f743c2b753d91d6bf16408abae53ecb086460baf7e85ca3564b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-02T15:02:46Z",
    "title_canon_sha256": "efebc0986eb027d41d01812025f69e2835ae83ad047d9c59dc67d94af1d4b84b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02022",
    "kind": "arxiv",
    "version": 2
  }
}