Pith Number

pith:R756JLXF

pith:2019:R756JLXF4UREIOZA6YAEO2QBDQ

not attested not anchored not stored refs pending

Air, bone and soft-tissue Segmentation on 3D brain MRI Using Semantic Classification Random Forest with Auto-Context Model

Hui-Kuo Shu, Hui Mao, Sibo Tian, Tian Liu, Tonghe Wang, Walter J. Curran, Xiaofeng Yang, Xue Dong, Yang Lei, Yingzi Liu

arxiv:1911.09264 v2 · 2019-11-21 · physics.med-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R756JLXF4UREIOZA6YAEO2QBDQ}

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	2026-07-05T00:21:16.905413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ffbe4aee5e522443b20f600476a011c24facebac388cf4be6e504e17bb5093e

Aliases

arxiv: 1911.09264 · arxiv_version: 1911.09264v2 · doi: 10.48550/arxiv.1911.09264 · pith_short_12: R756JLXF4URE · pith_short_16: R756JLXF4UREIOZA · pith_short_8: R756JLXF

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/R756JLXF4UREIOZA6YAEO2QBDQ \
  | 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: 8ffbe4aee5e522443b20f600476a011c24facebac388cf4be6e504e17bb5093e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba735bd17272315dbb09aa402ed213a6272f709517e2e699e78c0b11bfe69c8b",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-11-21T03:19:59Z",
    "title_canon_sha256": "fb7f51e7ff62b2c9bf1edf3df2e70c213456c0d5aaf5437c6f643fbbedf3db6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09264",
    "kind": "arxiv",
    "version": 2
  }
}