Pith Number

pith:HOFQ3VQQ

pith:2013:HOFQ3VQQPC6IKDPMEISH24MDKO

not attested not anchored not stored refs pending

The Application of Continuous Wavelet Transform Based Foreground Subtraction Method in 21 cm Sky Surveys

(2) Shanghai Jiao Tong University, (3) Shanghai Astronomical Observatory CAS, 4), (4) Key Laboratory of Radio Astronomy CAS), Haiguang Xu (2), Jingying Wang (2), Junhua Gu (1), Tao An (3, Wen Chen (2) ((1) National Astronomical Observatories CAS

arxiv:1306.5378 v1 · 2013-06-23 · 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{HOFQ3VQQPC6IKDPMEISH24MDKO}

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	2026-05-18T01:49:13.642561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8b0dd61078bc850dec22247d71835381230cd4901b41234ee0d56ce6b08098

Aliases

arxiv: 1306.5378 · arxiv_version: 1306.5378v1 · doi: 10.48550/arxiv.1306.5378 · pith_short_12: HOFQ3VQQPC6I · pith_short_16: HOFQ3VQQPC6IKDPM · pith_short_8: HOFQ3VQQ

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/HOFQ3VQQPC6IKDPMEISH24MDKO \
  | 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: 3b8b0dd61078bc850dec22247d71835381230cd4901b41234ee0d56ce6b08098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5dd3b7232febcf40e701d4425de0dd499f7123c7dd20ea3bb03eac5a486fb5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-23T06:43:35Z",
    "title_canon_sha256": "47edbf9786c7eb15d05ab8f4ec08b08810ff9fd19fad5be90bc54e91782f98ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5378",
    "kind": "arxiv",
    "version": 1
  }
}