Pith Number

pith:BYWNPG6B

pith:2015:BYWNPG6BIFY6IRF23JFSBC4O5X

not attested not anchored not stored refs pending

Supporting Instructors in Collaborating with Researchers using MOOClets

Brian C. Keegan, Joseph Jay Williams, Juho Kim

arxiv:1502.04247 v1 · 2015-02-14 · cs.CY · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYWNPG6BIFY6IRF23JFSBC4O5X}

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	2026-05-18T02:27:00.140403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2cd79bc14171e444bada4b208b8eedc6e4affea60a82d0fb57588f833c1cbe

Aliases

arxiv: 1502.04247 · arxiv_version: 1502.04247v1 · doi: 10.48550/arxiv.1502.04247 · pith_short_12: BYWNPG6BIFY6 · pith_short_16: BYWNPG6BIFY6IRF2 · pith_short_8: BYWNPG6B

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/BYWNPG6BIFY6IRF23JFSBC4O5X \
  | 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: 0e2cd79bc14171e444bada4b208b8eedc6e4affea60a82d0fb57588f833c1cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80f420487ad853719d89e43e21255abb7a0faad573fc2afba8030cdf10fc49a",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-02-14T21:23:01Z",
    "title_canon_sha256": "50f1c59118a1e4757d3d0bc06e0f5372d23a0f72103eb240f4fa282720befcb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04247",
    "kind": "arxiv",
    "version": 1
  }
}