Pith Number

pith:W4E3FWLH

pith:2018:W4E3FWLHWCV543SM4B23AGFDQX

not attested not anchored not stored refs pending

Tsunamis and Ripples: Effects of Scalar Waves on Screening in the Milky Way

Fabian Schmidt, Hiu Yan Sam Ip

arxiv:1801.07453 v1 · 2018-01-23 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4E3FWLHWCV543SM4B23AGFDQX}

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	2026-05-18T00:11:38.798750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b709b2d967b0abde6e4ce075b018a385d84264c40e49c1e9ecc4e3ffb31e0afd

Aliases

arxiv: 1801.07453 · arxiv_version: 1801.07453v1 · doi: 10.48550/arxiv.1801.07453 · pith_short_12: W4E3FWLHWCV5 · pith_short_16: W4E3FWLHWCV543SM · pith_short_8: W4E3FWLH

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/W4E3FWLHWCV543SM4B23AGFDQX \
  | 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: b709b2d967b0abde6e4ce075b018a385d84264c40e49c1e9ecc4e3ffb31e0afd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf43cbc88e8436cc69f740ec491307a9f191c706f32d8f72da9cc20a13a8463f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-23T09:38:51Z",
    "title_canon_sha256": "4663bfc030ac71192c726e7923481499c5ce2d96e5d0ad0360ed1097d65505fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07453",
    "kind": "arxiv",
    "version": 1
  }
}