Pith Number

pith:VRX5YW6J

pith:2016:VRX5YW6JFEXDC53KFEKFAVEXKD

not attested not anchored not stored refs pending

Salt Reconstruction in Full Waveform Inversion with a Parametric Level-Set Method

Ajinkya Kadu, Tristan van Leeuwen, Wim A. Mulder

arxiv:1610.00251 v2 · 2016-10-02 · cs.CE · cs.NA · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRX5YW6JFEXDC53KFEKFAVEXKD}

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	2026-07-05T02:01:08.038187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac6fdc5bc9292e31776a291450549750f22477dd9cc254ad6e01eaadc102537d

Aliases

arxiv: 1610.00251 · arxiv_version: 1610.00251v2 · doi: 10.48550/arxiv.1610.00251 · pith_short_12: VRX5YW6JFEXD · pith_short_16: VRX5YW6JFEXDC53K · pith_short_8: VRX5YW6J

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/VRX5YW6JFEXDC53KFEKFAVEXKD \
  | 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: ac6fdc5bc9292e31776a291450549750f22477dd9cc254ad6e01eaadc102537d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51faa2c40e431b66819ab6e412842c3b7a90327b08f75ccdd64c8b5273420196",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2016-10-02T09:33:35Z",
    "title_canon_sha256": "0b694b9ac463a8bbec14d7bd61461395825e4790894acd2a15dc381646f81ac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00251",
    "kind": "arxiv",
    "version": 2
  }
}