Pith Number

pith:W6F6MGU6

pith:2021:W6F6MGU6YI2ZZFGQGA3GRYDPEY

not attested not anchored not stored refs pending

A novel meta-learning initialization method for physics-informed neural networks

Weien Zhou, Wei Peng, Wen Yao, Xiaoya Zhang, Xu Liu

arxiv:2107.10991 v1 · 2021-07-23 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6F6MGU6YI2ZZFGQGA3GRYDPEY}

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	2026-07-05T04:30:51.963157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78be61a9ec2359c94d0303668e06f2606e6fd628afa9f212bf1a4142bd10888

Aliases

arxiv: 2107.10991 · arxiv_version: 2107.10991v1 · doi: 10.48550/arxiv.2107.10991 · pith_short_12: W6F6MGU6YI2Z · pith_short_16: W6F6MGU6YI2ZZFGQ · pith_short_8: W6F6MGU6

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/W6F6MGU6YI2ZZFGQGA3GRYDPEY \
  | 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: b78be61a9ec2359c94d0303668e06f2606e6fd628afa9f212bf1a4142bd10888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc487defb93a208e6de6ecb67f4b698f288956de8e3dc85d1c763688af6e295",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-07-23T01:55:23Z",
    "title_canon_sha256": "5f83030ef62fc95e7e4b2e23577e3208b27f5079dad5b8b233ccb37fc5e5892a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10991",
    "kind": "arxiv",
    "version": 1
  }
}