Pith Number

pith:476DMPYD

pith:2021:476DMPYDQOZZFBT2WIFI3N6UBI

not attested not anchored not stored refs pending

Machine Learning Guided 3D Image Recognition for Carbonate Pore and Mineral Volumes Determination

Aikifa Raza, Djamel Ozzane, Hongtao Zhang, Mohamed Sassi, Omar Alfarisi, Tiejun Zhang

arxiv:2111.04612 v2 · 2021-11-08 · physics.geo-ph · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{476DMPYDQOZZFBT2WIFI3N6UBI}

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	2026-07-05T03:46:03.648604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7fc363f0383b392867ab20a8db7d40a066d00ac36b4f40b2e8f0f513d124828

Aliases

arxiv: 2111.04612 · arxiv_version: 2111.04612v2 · doi: 10.48550/arxiv.2111.04612 · pith_short_12: 476DMPYDQOZZ · pith_short_16: 476DMPYDQOZZFBT2 · pith_short_8: 476DMPYD

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/476DMPYDQOZZFBT2WIFI3N6UBI \
  | 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: e7fc363f0383b392867ab20a8db7d40a066d00ac36b4f40b2e8f0f513d124828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38002653cbe33dd17b40eeb97cbc1fbd790a93ae35889a0e5fe2f696011c0282",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2021-11-08T16:34:08Z",
    "title_canon_sha256": "3a5ea6343bbe0368009fc1d30e626a5fa9d66f5268c172b1523ac2a2ef31c258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04612",
    "kind": "arxiv",
    "version": 2
  }
}