Pith Number

pith:5HXAAZKL

pith:2015:5HXAAZKLXVQMUIFOEZRSKQYXY6

not attested not anchored not stored refs pending

Mudslide: A Spatially Anchored Census of Student Confusion for Online Lecture Videos

Andr\'es Monroy-Hern\'andez, Elena L. Glassman, Juho Kim, Meredith Ringel Morris

arxiv:1507.01314 v1 · 2015-07-06 · 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{5HXAAZKLXVQMUIFOEZRSKQYXY6}

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	2026-05-18T01:37:17.369166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9ee00654bbd60ca20ae2663254317c7a8f6fe0ac76a5f54fecf4f6071bd6f9f

Aliases

arxiv: 1507.01314 · arxiv_version: 1507.01314v1 · doi: 10.48550/arxiv.1507.01314 · pith_short_12: 5HXAAZKLXVQM · pith_short_16: 5HXAAZKLXVQMUIFO · pith_short_8: 5HXAAZKL

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/5HXAAZKLXVQMUIFOEZRSKQYXY6 \
  | 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: e9ee00654bbd60ca20ae2663254317c7a8f6fe0ac76a5f54fecf4f6071bd6f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55a3367cec0e8ec545b25673d5a6a22bda5d93e5a81b2f7ebbe612a3cfba0dbb",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-07-06T01:04:39Z",
    "title_canon_sha256": "6235bfa93d8b9b5e368855f3af4f1ebfd0a745695ac724c50f095ad454dd047d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01314",
    "kind": "arxiv",
    "version": 1
  }
}