Pith Number

pith:SGDY6LUP

pith:2014:SGDY6LUP6JOWDPM4O6U2PM7JXC

not attested not anchored not stored refs pending

Classroom Video Assessment and Retrieval via Multiple Instance Learning

Peter A. Beling, Qifeng Qiao

arxiv:1403.6248 v1 · 2014-03-25 · cs.IR · cs.CY · 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{SGDY6LUP6JOWDPM4O6U2PM7JXC}

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	2026-05-18T02:55:37.410928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91878f2e8ff25d61bd9c77a9a7b3e9b8ae8f7aa0133d9278f8c3e65e393f5728

Aliases

arxiv: 1403.6248 · arxiv_version: 1403.6248v1 · doi: 10.48550/arxiv.1403.6248 · pith_short_12: SGDY6LUP6JOW · pith_short_16: SGDY6LUP6JOWDPM4 · pith_short_8: SGDY6LUP

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/SGDY6LUP6JOWDPM4O6U2PM7JXC \
  | 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: 91878f2e8ff25d61bd9c77a9a7b3e9b8ae8f7aa0133d9278f8c3e65e393f5728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4481383ab520337596f77aad60335dbb3cd7e26dd2de34a47a279c361c17fc7c",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-03-25T07:11:03Z",
    "title_canon_sha256": "dece36780ce5e2fdea1473214e35dd6574d65d7b897f6b74a68b23e3ff44d1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6248",
    "kind": "arxiv",
    "version": 1
  }
}