Pith Number

pith:J3OTHMEG

pith:2023:J3OTHMEGAQE3VHX2HTYJCYEV4O

not attested not anchored not stored refs pending

WTH! Wok the Hydrogen: Measurement of Galactic Neutral Hydrogen in Noisy Urban Environment Using Kitchenware

Albert Wai Kit Lau, Ka Hung Chan, Leo W.H. Fung, Ming Tony Shing

arxiv:2309.15163 v2 · 2023-09-26 · astro-ph.IM · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J3OTHMEGAQE3VHX2HTYJCYEV4O}

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	2026-07-05T06:55:07.145167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4edd33b0860409ba9efa3cf0916095e39ef3f8130f88174a98f7cf5bc2d261f3

Aliases

arxiv: 2309.15163 · arxiv_version: 2309.15163v2 · doi: 10.48550/arxiv.2309.15163 · pith_short_12: J3OTHMEGAQE3 · pith_short_16: J3OTHMEGAQE3VHX2 · pith_short_8: J3OTHMEG

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/J3OTHMEGAQE3VHX2HTYJCYEV4O \
  | 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: 4edd33b0860409ba9efa3cf0916095e39ef3f8130f88174a98f7cf5bc2d261f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d1b8c165e4ccb169a4f486db60f26c83cd9155a1f639eda1a00cfc9ee043dc3",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-09-26T18:00:57Z",
    "title_canon_sha256": "970c5ae0bafdba62c0c805af0641b293edaf7b6a023adcb3cd7586c75e9f9594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.15163",
    "kind": "arxiv",
    "version": 2
  }
}