Pith Number

pith:PRTJNVVA

pith:2024:PRTJNVVAGX3MNPIILMW6YPOXFB

not attested not anchored not stored refs pending

Meta-PINN: Meta learning for improved neural network wavefield solutions

Shijun Cheng, Tariq Alkhalifah

arxiv:2401.11502 v1 · 2024-01-21 · physics.geo-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{PRTJNVVAGX3MNPIILMW6YPOXFB}

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.

Cited by

1 paper in Pith

Equivariant Eikonal Neural Networks: Grid-Free, Scalable Travel-Time Prediction on Homogeneous Spaces

Receipt and verification

First computed	2026-07-05T07:35:51.942865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c6696d6a035f6c6bd085b2dec3dd72874f6fa74807025c413ec169b767c6323

Aliases

arxiv: 2401.11502 · arxiv_version: 2401.11502v1 · doi: 10.48550/arxiv.2401.11502 · pith_short_12: PRTJNVVAGX3M · pith_short_16: PRTJNVVAGX3MNPII · pith_short_8: PRTJNVVA

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/PRTJNVVAGX3MNPIILMW6YPOXFB \
  | 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: 7c6696d6a035f6c6bd085b2dec3dd72874f6fa74807025c413ec169b767c6323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519638791b3b28298b34aa5576c8191ec70aed03f78749bb9134609fc923176a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2024-01-21T14:24:44Z",
    "title_canon_sha256": "7fc1a005a5a0060f9583d26ba3173c3d529e0ffaa5ac2682980f2c761e169695"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.11502",
    "kind": "arxiv",
    "version": 1
  }
}