Pith Number

pith:ANXLM4UQ

pith:2026:ANXLM4UQ4XPEQKLBCVRZPYA2K6

not attested not anchored not stored refs pending

Cross-frequency SGWB anisotropy from compact topology: CMB B-mode covariance as a transfer probe

Li-e Qiang, Peng Xu

arxiv:2608.09697 v1 · 2026-08-10 · astro-ph.CO · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANXLM4UQ4XPEQKLBCVRZPYA2K6}

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	2026-08-11T02:24:49.905697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

036eb67290e5de482961156397e01a579f6e6ea32e779ebe20ae92c8a8235ba5

Aliases

arxiv: 2608.09697 · arxiv_version: 2608.09697v1 · doi: 10.48550/arxiv.2608.09697 · pith_short_12: ANXLM4UQ4XPE · pith_short_16: ANXLM4UQ4XPEQKLB · pith_short_8: ANXLM4UQ

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/ANXLM4UQ4XPEQKLBCVRZPYA2K6 \
  | 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: 036eb67290e5de482961156397e01a579f6e6ea32e779ebe20ae92c8a8235ba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dc04bed2e8ca5d113f96680d84174398fa6fdfe19de19ff5c2664d9c2d747ef",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-08-10T15:01:50Z",
    "title_canon_sha256": "02761edd1424bff13551236b98a4f604857550fdb4ca34a45e2d20ea82a56c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09697",
    "kind": "arxiv",
    "version": 1
  }
}