Pith Number

pith:YK57DAXE

pith:2025:YK57DAXE257K7TEE46CGXVGNT3

not attested not anchored not stored refs pending

Solving All Seismic Tomographic Problems using Deep Learning

Kaiwen Xia, Xin Zhang

arxiv:2504.14830 v1 · 2025-04-21 · physics.geo-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YK57DAXE257K7TEE46CGXVGNT3}

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	2026-07-05T10:51:51.127875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2bbf182e4d77eafcc84e7846bd4cd9ec59e67548991157b5a51174ef528c343

Aliases

arxiv: 2504.14830 · arxiv_version: 2504.14830v1 · doi: 10.48550/arxiv.2504.14830 · pith_short_12: YK57DAXE257K · pith_short_16: YK57DAXE257K7TEE · pith_short_8: YK57DAXE

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/YK57DAXE257K7TEE46CGXVGNT3 \
  | 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: c2bbf182e4d77eafcc84e7846bd4cd9ec59e67548991157b5a51174ef528c343

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5327899b06ed8851be9e208188c65df9acad3d854e6708a0fe7fcf5b91f1d6b8",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2025-04-21T03:14:57Z",
    "title_canon_sha256": "c6c560df21ed2f93aa5720ff6b9a87d2fc95b7e7df34e6310b9a725292be46a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14830",
    "kind": "arxiv",
    "version": 1
  }
}