Pith Number

pith:ZBIVLD7D

pith:2024:ZBIVLD7DHI6UVCQDIBYNBBINSQ

not attested not anchored not stored refs pending

A Framework of Data Assimilation for Wind Flow Fields by Physics-informed Neural Networks

Chang Yan, Dilong Guo, Guowei Yang, Shengfeng Xu, Thorsten Lutz, Zhenxu Sun

arxiv:2401.17001 v2 · 2024-01-30 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBIVLD7DHI6UVCQDIBYNBBINSQ}

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	2026-07-05T10:12:58.164863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c851558fe33a3d4a8a034070d0850d943bdbfaf292b9a67b8924805329a73ccd

Aliases

arxiv: 2401.17001 · arxiv_version: 2401.17001v2 · doi: 10.48550/arxiv.2401.17001 · pith_short_12: ZBIVLD7DHI6U · pith_short_16: ZBIVLD7DHI6UVCQD · pith_short_8: ZBIVLD7D

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/ZBIVLD7DHI6UVCQDIBYNBBINSQ \
  | 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: c851558fe33a3d4a8a034070d0850d943bdbfaf292b9a67b8924805329a73ccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "967db1b5e2a4e314b74212d46093ad3b371dccebdbdf1987681215b1fa393e9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2024-01-30T13:35:35Z",
    "title_canon_sha256": "307422073856bb8c83bba6f03a240bcde5f74b8a38e85e3ca7ab902e7935586b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17001",
    "kind": "arxiv",
    "version": 2
  }
}