Pith Number

pith:K6NC4TJB

pith:2023:K6NC4TJB5MHWPXHPKJO42JCXNN

not attested not anchored not stored refs pending

Computationally Efficient and Error Aware Surrogate Construction for Numerical Solutions of Subsurface Flow Through Porous Media

Aleksandra Pachalieva, Aleksei G. Sorokin, Daniel O'Malley, Fred J. Hickernell, James M. Hyman, Nicolas W. Hengartner

arxiv:2310.13765 v1 · 2023-10-20 · stat.CO · cs.NA · math.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{K6NC4TJB5MHWPXHPKJO42JCXNN}

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	2026-07-05T07:03:34.333699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

579a2e4d21eb0f67dcef525dcd24576b401219f5de39d46f05fc469c706df7bd

Aliases

arxiv: 2310.13765 · arxiv_version: 2310.13765v1 · doi: 10.48550/arxiv.2310.13765 · pith_short_12: K6NC4TJB5MHW · pith_short_16: K6NC4TJB5MHWPXHP · pith_short_8: K6NC4TJB

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/K6NC4TJB5MHWPXHPKJO42JCXNN \
  | 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: 579a2e4d21eb0f67dcef525dcd24576b401219f5de39d46f05fc469c706df7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fb178887152fe32d1dad5bc4c49d7b0e042a87c2dc96af66584d8436e3262b4",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2023-10-20T18:57:37Z",
    "title_canon_sha256": "60919747c699dd14f028619f645850a268731f34fc338be41aca3490072a64c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.13765",
    "kind": "arxiv",
    "version": 1
  }
}