Pith Number

pith:Y6P4XIIK

pith:2026:Y6P4XIIK3VBV5ZKXOO2H72ZSP3

not attested not anchored not stored refs pending

An optimal quadratic estimator for window-free cosmic shear power spectra

Masahiro Takada, Taisei Terawaki

arxiv:2607.29652 v1 · 2026-07-31 · 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{Y6P4XIIK3VBV5ZKXOO2H72ZSP3}

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	2026-08-03T01:41:39.891038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c79fcba10add435ee55773b47feb327ec96a608cd5f5d64593692072081b074a

Aliases

arxiv: 2607.29652 · arxiv_version: 2607.29652v1 · doi: 10.48550/arxiv.2607.29652 · pith_short_12: Y6P4XIIK3VBV · pith_short_16: Y6P4XIIK3VBV5ZKX · pith_short_8: Y6P4XIIK

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/Y6P4XIIK3VBV5ZKXOO2H72ZSP3 \
  | 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: c79fcba10add435ee55773b47feb327ec96a608cd5f5d64593692072081b074a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab0671c93c9073cd6e8c16833f041f54ab77688489a116263bb3b6f74c8c3fae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-31T17:29:15Z",
    "title_canon_sha256": "8d228e70881e10bfd5da2dd9e0aeea5a8be1224721101bfda5aad73bd2c0827f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29652",
    "kind": "arxiv",
    "version": 1
  }
}