Pith Number

pith:UXFJKWYV

pith:2015:UXFJKWYVDLVX4UMM2PMXD7AJQM

not attested not anchored not stored refs pending

Predicting Performance During Tutoring with Models of Recent Performance

April Galyardt, Ilya Goldin

arxiv:1501.02732 v1 · 2015-01-12 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXFJKWYVDLVX4UMM2PMXD7AJQM}

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	2026-05-18T02:29:37.371159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ca955b151aeb7e518cd3d971fc098330ecf86528cc214830023b7649615664

Aliases

arxiv: 1501.02732 · arxiv_version: 1501.02732v1 · doi: 10.48550/arxiv.1501.02732 · pith_short_12: UXFJKWYVDLVX · pith_short_16: UXFJKWYVDLVX4UMM · pith_short_8: UXFJKWYV

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/UXFJKWYVDLVX4UMM2PMXD7AJQM \
  | 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: a5ca955b151aeb7e518cd3d971fc098330ecf86528cc214830023b7649615664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84217ba1acd77400cbe3d3c7cf486f79ac1af0d23c9f2194ac6b34e8f6c667aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-01-12T17:39:53Z",
    "title_canon_sha256": "f7fbcf90dfee1890fd6a7425d098f19a8b0231af203051d35a102576aac2a986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02732",
    "kind": "arxiv",
    "version": 1
  }
}