Pith Number

pith:IOUUATSR

pith:2026:IOUUATSROJZ7RI43R2C7V4DMJ5

not attested not anchored not stored refs pending

Machine learning enhanced data assimilation framework for multiscale carbonate rock characterization

Ahmed H. Elsheikh, Hannah P. Menke, Julien Maes, Kamaljit Singh, Muhammad Z. Kashim, Sebastian Geiger, Zainol A. A. Bakar, Zhenkai Bo

arxiv:2602.06989 v2 · 2026-01-27 · physics.geo-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOUUATSROJZ7RI43R2C7V4DMJ5}

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	2026-06-30T01:17:33.728798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a9404e517273f8a39b8e85faf06c4f6f6a25a4437ba9932c41142a7d6fc891

Aliases

arxiv: 2602.06989 · arxiv_version: 2602.06989v2 · doi: 10.48550/arxiv.2602.06989 · pith_short_12: IOUUATSROJZ7 · pith_short_16: IOUUATSROJZ7RI43 · pith_short_8: IOUUATSR

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/IOUUATSROJZ7RI43R2C7V4DMJ5 \
  | 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: 43a9404e517273f8a39b8e85faf06c4f6f6a25a4437ba9932c41142a7d6fc891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "befa02f18fb457c27a75afef0e36722d0de10dc1f4cbc3262fba34e0686a403a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2026-01-27T23:45:33Z",
    "title_canon_sha256": "b5115f1fb614461fe87bdd80454ce69fbd64dcdac99faee3842012004e5dabe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.06989",
    "kind": "arxiv",
    "version": 2
  }
}