Pith Number

pith:OJVLD7LJ

pith:2022:OJVLD7LJ7C6KN4WROMWBQVEOVA

not attested not anchored not stored refs pending

On the retrieval of forward-scattered waveforms from acoustic reflection and transmission data with the Marchenko equation

Evert Slob, Giovanni Meles, Joeri Brackenhoff, Joost van der Neut, Kees Wapenaar, Lele Zhang

arxiv:2203.16143 v1 · 2022-03-30 · physics.app-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{OJVLD7LJ7C6KN4WROMWBQVEOVA}

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	2026-07-05T11:50:23.625473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

726ab1fd69f8bca6f2d1732c18548ea811d1a3741d8b8f56a8268853e6ead326

Aliases

arxiv: 2203.16143 · arxiv_version: 2203.16143v1 · doi: 10.48550/arxiv.2203.16143 · pith_short_12: OJVLD7LJ7C6K · pith_short_16: OJVLD7LJ7C6KN4WR · pith_short_8: OJVLD7LJ

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/OJVLD7LJ7C6KN4WROMWBQVEOVA \
  | 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: 726ab1fd69f8bca6f2d1732c18548ea811d1a3741d8b8f56a8268853e6ead326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "999ee5fa02022b7724bfac88a2c5b526d93b653c6b759df7ddb296ebd75381a6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2022-03-30T08:35:07Z",
    "title_canon_sha256": "2e7dd24ac19db7deb3370a72a7c542e4dfd2ba72a10cd2fce44c652b1ea19119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16143",
    "kind": "arxiv",
    "version": 1
  }
}