Pith Number

pith:NNDKLF53

pith:2021:NNDKLF53LVC6ZOR6H2L3XEOXNO

not attested not anchored not stored refs pending

A deep learning based reduced order modeling for stochastic underground flow problems

Eric Chung, Shubin Fu, Yiran Wang

arxiv:2111.13372 v2 · 2021-11-26 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNDKLF53LVC6ZOR6H2L3XEOXNO}

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	2026-07-05T04:43:36.915473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b46a597bb5d45ecba3e3e97bb91d76b867c30828982ade0c03c3417022bf9c5

Aliases

arxiv: 2111.13372 · arxiv_version: 2111.13372v2 · doi: 10.48550/arxiv.2111.13372 · pith_short_12: NNDKLF53LVC6 · pith_short_16: NNDKLF53LVC6ZOR6 · pith_short_8: NNDKLF53

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/NNDKLF53LVC6ZOR6H2L3XEOXNO \
  | 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: 6b46a597bb5d45ecba3e3e97bb91d76b867c30828982ade0c03c3417022bf9c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "943522e6bf7e70681f0a9a9c15cfa5986be199fe078ad49152feeed4d4c6f171",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-11-26T09:13:53Z",
    "title_canon_sha256": "cd8d71bd967c5ff3b786e9760ae3d9470fecb7d546364547d0aad9b783bbdf9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13372",
    "kind": "arxiv",
    "version": 2
  }
}