Pith Number

pith:FBSJGYFI

pith:2023:FBSJGYFIGYME5LVEXROFJHY2EQ

not attested not anchored not stored refs pending

Student Classroom Behavior Detection based on YOLOv7-BRA and Multi-Model Fusion

Fan Yang, Tao Wang, Xiaofei Wang

arxiv:2305.07825 v2 · 2023-05-13 · 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{FBSJGYFIGYME5LVEXROFJHY2EQ}

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	2026-07-05T09:04:28.062606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28649360a836184eaea4bc5c549f1a243c7b320500355a6a1516df8569059867

Aliases

arxiv: 2305.07825 · arxiv_version: 2305.07825v2 · doi: 10.48550/arxiv.2305.07825 · pith_short_12: FBSJGYFIGYME · pith_short_16: FBSJGYFIGYME5LVE · pith_short_8: FBSJGYFI

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/FBSJGYFIGYME5LVEXROFJHY2EQ \
  | 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: 28649360a836184eaea4bc5c549f1a243c7b320500355a6a1516df8569059867

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ed764df1111ed2605f780118be5ccd45867b2a34e0c99c4b06766c93d7b7b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-05-13T02:46:41Z",
    "title_canon_sha256": "454a925321bad8211c100905fba64643297d9dc520645566a1c74b23aa06f1af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.07825",
    "kind": "arxiv",
    "version": 2
  }
}