Pith Number

pith:22462ZDI

pith:2019:22462ZDINY6VDQDARVVCPT3NV3

not attested not anchored not stored refs pending

Progressive transfer learning for low frequency data prediction in full waveform inversion

Jiefu Chen, Wenyi Hu, Xuqing Wu, Yuchen Jin

arxiv:1912.09944 v1 · 2019-12-20 · physics.geo-ph · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22462ZDINY6VDQDARVVCPT3NV3}

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	2026-07-05T00:27:39.557065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b9ed64686e3d51c0608d6a27cf6daed626b1d30819db510c45cfb802a15e19

Aliases

arxiv: 1912.09944 · arxiv_version: 1912.09944v1 · doi: 10.48550/arxiv.1912.09944 · pith_short_12: 22462ZDINY6V · pith_short_16: 22462ZDINY6VDQDA · pith_short_8: 22462ZDI

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/22462ZDINY6VDQDARVVCPT3NV3 \
  | 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: d6b9ed64686e3d51c0608d6a27cf6daed626b1d30819db510c45cfb802a15e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f092a247279a7fd86c71dcedf118cec5ada25251eb05bc0a96216842b827f7fc",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-12-20T17:08:11Z",
    "title_canon_sha256": "c847e2f32efc898e5626ea94cc22efcf16e4d710833091ea9be151fb15968b3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.09944",
    "kind": "arxiv",
    "version": 1
  }
}