Pith Number

pith:ML2S3JSY

pith:2012:ML2S3JSYWJBROB76ZAHCLT6OZI

not attested not anchored not stored refs pending

Students Perceptions of the Effectiveness of Discussion Boards What can we get from our students for a freebie point

Abdel-Hameed A. Badawy

arxiv:1210.1178 v1 · 2012-10-03 · 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{ML2S3JSYWJBROB76ZAHCLT6OZI}

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	2026-05-18T03:44:05.333880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62f52da658b2431707fec80e25cfceca03ec69fd926af88bc17de1a4c4aaae84

Aliases

arxiv: 1210.1178 · arxiv_version: 1210.1178v1 · doi: 10.48550/arxiv.1210.1178 · pith_short_12: ML2S3JSYWJBR · pith_short_16: ML2S3JSYWJBROB76 · pith_short_8: ML2S3JSY

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/ML2S3JSYWJBROB76ZAHCLT6OZI \
  | 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: 62f52da658b2431707fec80e25cfceca03ec69fd926af88bc17de1a4c4aaae84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acafccc35171720cf7c4a4e9124bae46a6530a2de5b4a625aae5fb17bbd9999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2012-10-03T17:39:11Z",
    "title_canon_sha256": "0652262f7ef4ad67d41df81fa4251c2d26ec266aed5944c52943b3c39f36d123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1178",
    "kind": "arxiv",
    "version": 1
  }
}