Pith Number

pith:MQG5REEV

pith:2022:MQG5REEVACH77LMI2FBWFR6OLU

not attested not anchored not stored refs pending

Recovering the CMB Signal with Machine Learning

Guo-Jian Wang, Hong-Liang Shi, Jun-feng Li, Jun-Qing Xia, Si-Yu Li, Yan-Yun Zhao, Ye-Peng Yan

arxiv:2204.01820 v2 · 2022-04-04 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQG5REEVACH77LMI2FBWFR6OLU}

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	2026-07-05T04:22:20.494182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640dd89095008fffad88d14362c7ce5d10d514508b6b99a30ebc91c70ec9a9c8

Aliases

arxiv: 2204.01820 · arxiv_version: 2204.01820v2 · doi: 10.48550/arxiv.2204.01820 · pith_short_12: MQG5REEVACH7 · pith_short_16: MQG5REEVACH77LMI · pith_short_8: MQG5REEV

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/MQG5REEVACH77LMI2FBWFR6OLU \
  | 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: 640dd89095008fffad88d14362c7ce5d10d514508b6b99a30ebc91c70ec9a9c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855c4ffe4996c465d6e4a45e8338ed0ce2a4bf9dc45c4980730aeb892e51fdec",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-04-04T20:09:37Z",
    "title_canon_sha256": "a37e0a928e2e81ed6649d955ef0b91f7a9eccc0f2d0911c2ffa1ab762129ca96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01820",
    "kind": "arxiv",
    "version": 2
  }
}