Pith Number

pith:LLXMCOYP

pith:2021:LLXMCOYPTWV4EOTCTFLQC57NRU

not attested not anchored not stored refs pending

Digital Rock Typing DRT Algorithm Formulation with Optimal Supervised Semantic Segmentation

Djamel Ouzzane, Mohamed Sassi, Omar Alfarisi, Tiejun Zhang

arxiv:2112.15068 v2 · 2021-12-30 · cs.LG · astro-ph.EP · cs.CV · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LLXMCOYPTWV4EOTCTFLQC57NRU}

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	2026-07-05T03:46:04.251453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aeec13b0f9dabc23a6299570177ed8d2c204521c22951a5c375ebacf293f8f7

Aliases

arxiv: 2112.15068 · arxiv_version: 2112.15068v2 · doi: 10.48550/arxiv.2112.15068 · pith_short_12: LLXMCOYPTWV4 · pith_short_16: LLXMCOYPTWV4EOTC · pith_short_8: LLXMCOYP

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/LLXMCOYPTWV4EOTCTFLQC57NRU \
  | 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: 5aeec13b0f9dabc23a6299570177ed8d2c204521c22951a5c375ebacf293f8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e16336a852ca9583665d63419770091b61b637fe8ea6adb3c7fdf33874ec00f",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cs.CV",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-30T14:04:50Z",
    "title_canon_sha256": "474b2ae52663bf29ffa261068db95135415e7ca0493ad8e26a3ebcb59420c213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.15068",
    "kind": "arxiv",
    "version": 2
  }
}