Pith Number

pith:LJPUVD4B

pith:2021:LJPUVD4BCITAR6HE4VVSCZUCWQ

not attested not anchored not stored refs pending

Improving Deep Learning Performance for Predicting Large-Scale Porous-Media Flow through Feature Coarsening

Bailian Chen, Bicheng Yan, Dylan Robert Harp, Rajesh J. Pawar

arxiv:2105.03752 v1 · 2021-05-08 · physics.flu-dyn · cs.AI · cs.LG · physics.comp-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{LJPUVD4BCITAR6HE4VVSCZUCWQ}

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	2026-07-05T02:38:38.550689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a5f4a8f81122608f8e4e56b216682b40fca83aaee6ff45c99f5ae8909f99826

Aliases

arxiv: 2105.03752 · arxiv_version: 2105.03752v1 · doi: 10.48550/arxiv.2105.03752 · pith_short_12: LJPUVD4BCITA · pith_short_16: LJPUVD4BCITAR6HE · pith_short_8: LJPUVD4B

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/LJPUVD4BCITAR6HE4VVSCZUCWQ \
  | 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: 5a5f4a8f81122608f8e4e56b216682b40fca83aaee6ff45c99f5ae8909f99826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d320c5d0215ed51c421b95abfb011489a17144858efeabad7330c7de7bbb9f67",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-05-08T17:58:46Z",
    "title_canon_sha256": "fc3166ea13940fdd66dc537751924ca8aee69a3f22993a5547aaecea74e70012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03752",
    "kind": "arxiv",
    "version": 1
  }
}