Pith Number

pith:252UR2AB

pith:2019:252UR2ABI2J7TRGY74VBYSXK7S

not attested not anchored not stored refs pending

Separating the EoR Signal with a Convolutional Denoising Autoencoder: A Deep-learning-based Method

Chenxi Shan, Dan Hu, Haiguang Xu, Jie Zhu, Junhua Gu, Ruimin Zhu, Weitian Li, Xiang-Ping Wu, Zhenghao Zhu, Zhixian Ma

arxiv:1902.09278 v2 · 2019-02-25 · astro-ph.IM · astro-ph.CO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{252UR2ABI2J7TRGY74VBYSXK7S}

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	2026-05-17T23:51:19.040335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77548e8014693f9c4d8ff2a1c4aeafc9c9e4d14e729716f4c50d52656aa7acc

Aliases

arxiv: 1902.09278 · arxiv_version: 1902.09278v2 · doi: 10.48550/arxiv.1902.09278 · pith_short_12: 252UR2ABI2J7 · pith_short_16: 252UR2ABI2J7TRGY · pith_short_8: 252UR2AB

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/252UR2ABI2J7TRGY74VBYSXK7S \
  | 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: d77548e8014693f9c4d8ff2a1c4aeafc9c9e4d14e729716f4c50d52656aa7acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4d1934e904c3d23a90c04ded717a6b2221a1d516bb695ff3640f627ff69cd4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-25T14:13:09Z",
    "title_canon_sha256": "9f22d3e4fb9175932d989ab418d873ad87f9c4ae36e5a8850d5b076b30cc37bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09278",
    "kind": "arxiv",
    "version": 2
  }
}