Pith Number

pith:ZUJ3BPDY

pith:2021:ZUJ3BPDYQL53XSO4TKJMQBVKPM

not attested not anchored not stored refs pending

Constructing Sub-scale Surrogate Model for Proppant Settling in Inclined Fractures from Simulation Data with Multi-fidelity Neural Network

Dongxiao Zhang, Heng Li, Junsheng Zeng, Pengfei Tang

arxiv:2109.12311 v1 · 2021-09-25 · physics.flu-dyn · cs.LG · physics.comp-ph · 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{ZUJ3BPDYQL53XSO4TKJMQBVKPM}

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	2026-07-05T04:30:53.049374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd13b0bc7882fbbbc9dc9a92c806aa7b1cb9e7a10a5cf4fa8c3f8016d31ae392

Aliases

arxiv: 2109.12311 · arxiv_version: 2109.12311v1 · doi: 10.48550/arxiv.2109.12311 · pith_short_12: ZUJ3BPDYQL53 · pith_short_16: ZUJ3BPDYQL53XSO4 · pith_short_8: ZUJ3BPDY

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/ZUJ3BPDYQL53XSO4TKJMQBVKPM \
  | 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: cd13b0bc7882fbbbc9dc9a92c806aa7b1cb9e7a10a5cf4fa8c3f8016d31ae392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d184e29ddfeb0d56e7b2f80554a97150bea5e83f02380b519d5d6a830755d6b7",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-09-25T08:31:33Z",
    "title_canon_sha256": "b72f66bdc000a0303840aed05ea44ae194fdd9bc72438ad5f049966908136753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12311",
    "kind": "arxiv",
    "version": 1
  }
}