Pith Number

pith:7P3ICNFN

pith:2022:7P3ICNFNQFLRLDXAYVTTY27URD

not attested not anchored not stored refs pending

Multiscale reconstruction of porous media based on multiple dictionaries learning

Ningning Zhang, Pengcheng Yan, Qizhi Teng, Xiaohai He, Zhenchuan Ma

arxiv:2205.08278 v1 · 2022-05-16 · eess.IV · 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{7P3ICNFNQFLRLDXAYVTTY27URD}

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	2026-07-05T06:05:57.810743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf68134ad8157158ee0c5673c6bf488d8151432b1f65333781a7baa5b79d35e

Aliases

arxiv: 2205.08278 · arxiv_version: 2205.08278v1 · doi: 10.48550/arxiv.2205.08278 · pith_short_12: 7P3ICNFNQFLR · pith_short_16: 7P3ICNFNQFLRLDXA · pith_short_8: 7P3ICNFN

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/7P3ICNFNQFLRLDXAYVTTY27URD \
  | 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: fbf68134ad8157158ee0c5673c6bf488d8151432b1f65333781a7baa5b79d35e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f0852a4f20325b0d781fff56e048c65eed3a9210258046c0d56cba679a0fad9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-05-16T07:09:24Z",
    "title_canon_sha256": "85e1ed0d7186609de32d517fb1961ee57e57db5ad68147d2be4f2543e83b1061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.08278",
    "kind": "arxiv",
    "version": 1
  }
}