Pith Number

pith:2VORPXYJ

pith:2026:2VORPXYJ32MDZE2DJ5GF7BLGLE

not attested not anchored not stored refs pending

Student Competency Assessment and Presentation Methods Based on Algorithm Courses

Ninghan Zheng, Shanshan Li, Weidong Liu, Yingqi Zhang

arxiv:2606.00200 v1 · 2026-05-29 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VORPXYJ32MDZE2DJ5GF7BLGLE}

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	2026-06-02T01:03:21.375150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55d17df09de983c93434f4c5f8566592d65c65b9ac5581a7efad5e1bff54a09

Aliases

arxiv: 2606.00200 · arxiv_version: 2606.00200v1 · doi: 10.48550/arxiv.2606.00200 · pith_short_12: 2VORPXYJ32MD · pith_short_16: 2VORPXYJ32MDZE2D · pith_short_8: 2VORPXYJ

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/2VORPXYJ32MDZE2DJ5GF7BLGLE \
  | 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: d55d17df09de983c93434f4c5f8566592d65c65b9ac5581a7efad5e1bff54a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b3b8d67072162f0fc242716ad0aec0045ee06d0de13af180aa3a3aeec2c42a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-05-29T17:03:59Z",
    "title_canon_sha256": "0a86e71d5cf9ea441d09c28d1c10a061350b99e5237b9ee38366a143197b87cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00200",
    "kind": "arxiv",
    "version": 1
  }
}