Pith Number

pith:BGRIX26M

pith:2025:BGRIX26M7KSI5WADLB7H5A3GLI

not attested not anchored not stored refs pending

Impact of Pre-Assessment and Post-Assessment in an Introductory Real Analysis Course

Chamila Malagoda Gamage

arxiv:2505.22479 v1 · 2025-05-28 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGRIX26M7KSI5WADLB7H5A3GLI}

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	2026-07-05T11:11:24.944668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09a28bebccfaa48ed803587e7e83665a2647f1a56b3999576253b70bb1f29c3b

Aliases

arxiv: 2505.22479 · arxiv_version: 2505.22479v1 · doi: 10.48550/arxiv.2505.22479 · pith_short_12: BGRIX26M7KSI · pith_short_16: BGRIX26M7KSI5WAD · pith_short_8: BGRIX26M

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/BGRIX26M7KSI5WADLB7H5A3GLI \
  | 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: 09a28bebccfaa48ed803587e7e83665a2647f1a56b3999576253b70bb1f29c3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ca32162b12166a03204a72e5153b06439be7a6b5b8292163d6acf7a620408c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2025-05-28T15:28:52Z",
    "title_canon_sha256": "52b6202c67b23fa2d250c9b2f54a9cdc5ec83f72d321349b60e2a3e396d493d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22479",
    "kind": "arxiv",
    "version": 1
  }
}