Pith Number

pith:6YOCCUIV

pith:2023:6YOCCUIV6Q4L36R6MQ4ITWB33T

not attested not anchored not stored refs pending

ContrasInver: Ultra-Sparse Label Semi-supervised Regression for Multi-dimensional Seismic Inversion

Hongjie Duan, Kewen Li, Timing Li, Wenjun Lv, Yimin Dou, Zhifeng Xu

arxiv:2302.06441 v3 · 2023-02-13 · physics.geo-ph · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YOCCUIV6Q4L36R6MQ4ITWB33T}

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	2026-07-05T09:25:27.561847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f61c215115f438bdfa3e643889d83bdcfd09fe8d041a08303efdee12970952a6

Aliases

arxiv: 2302.06441 · arxiv_version: 2302.06441v3 · doi: 10.48550/arxiv.2302.06441 · pith_short_12: 6YOCCUIV6Q4L · pith_short_16: 6YOCCUIV6Q4L36R6 · pith_short_8: 6YOCCUIV

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/6YOCCUIV6Q4L36R6MQ4ITWB33T \
  | 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: f61c215115f438bdfa3e643889d83bdcfd09fe8d041a08303efdee12970952a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8ce169f454a50dedb9be7e8fe9d5694bd01a12e42e9c70f1e1b5e91ac012ff0",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2023-02-13T15:19:51Z",
    "title_canon_sha256": "5350b11a7b3813a205088f3f24de7859aaf952bd6a1a8be0669af31ed4ccc178"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.06441",
    "kind": "arxiv",
    "version": 3
  }
}