Pith Number

pith:2L6P3ZTD

pith:2018:2L6P3ZTDCTXJNDWM5L5UKPQFEA

not attested not anchored not stored refs pending

Hints vs Distractions in Intelligent Tutoring Systems: Looking for the proper type of help

Anna Mura, Maria Blancas-Mu\~noz, Paul F.M.J. Verschure, Riccardo Zucca, Vasiliki Vouloutsi

arxiv:1806.07806 v1 · 2018-05-29 · 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{2L6P3ZTDCTXJNDWM5L5UKPQFEA}

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	2026-05-18T00:12:46.580955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2fcfde66314ee968ecceafb453e0520387b598c38dd96644af1d1793d11376b

Aliases

arxiv: 1806.07806 · arxiv_version: 1806.07806v1 · doi: 10.48550/arxiv.1806.07806 · pith_short_12: 2L6P3ZTDCTXJ · pith_short_16: 2L6P3ZTDCTXJNDWM · pith_short_8: 2L6P3ZTD

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/2L6P3ZTDCTXJNDWM5L5UKPQFEA \
  | 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: d2fcfde66314ee968ecceafb453e0520387b598c38dd96644af1d1793d11376b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bc31a78c46f12d3596b6ac5aae101a7d3459d1f56992e9f5f32496c67d86a83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-05-29T17:56:47Z",
    "title_canon_sha256": "313497fbb00e8172891a5d54730fa734102ef60714498c2a23443ad4ba188dfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07806",
    "kind": "arxiv",
    "version": 1
  }
}