Pith Number

pith:CTSVITOD

pith:2019:CTSVITODHRICNDM3KVSFB46IPV

not attested not anchored not stored refs pending

E-Gotsky: Sequencing Content using the Zone of Proximal Development

Daniel Sitton, Galit Lukin, Meitar Ronen, Oded Vainas, Ori Bar-Ilan, Ran Gilad-Bachrach, Roi Shillo, Yossi Ben-David

arxiv:1904.12268 v1 · 2019-04-28 · cs.HC · 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{CTSVITODHRICNDM3KVSFB46IPV}

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	2026-05-17T23:47:35.410426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e5544dc33c50268d9b556450f3c87d6a8e1af12a4d5e0918fbaf4a922198d6

Aliases

arxiv: 1904.12268 · arxiv_version: 1904.12268v1 · doi: 10.48550/arxiv.1904.12268 · pith_short_12: CTSVITODHRIC · pith_short_16: CTSVITODHRICNDM3 · pith_short_8: CTSVITOD

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/CTSVITODHRICNDM3KVSFB46IPV \
  | 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: 14e5544dc33c50268d9b556450f3c87d6a8e1af12a4d5e0918fbaf4a922198d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ce7ad3bfcca70b757dcd349cd5f57bf34825a344674f5c5d97cae61bb0f5840",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-04-28T07:12:11Z",
    "title_canon_sha256": "8490a01011fb5f8ce2eeafb3e823ed8daf224d511ea21c46fbbe5e938d2f758b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12268",
    "kind": "arxiv",
    "version": 1
  }
}