Pith Number

pith:XZSUNI3R

pith:2025:XZSUNI3R76WMQRP5MMQAIFWQW5

not attested not anchored not stored refs pending

Personalized Education with Ranking Alignment Recommendation

Haipeng Liu, Ting Long, Yuxuan Liu

arxiv:2507.23664 v1 · 2025-07-31 · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZSUNI3R76WMQRP5MMQAIFWQW5}

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	2026-07-05T11:46:29.048638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be6546a371ffacc845fd63200416d0b77593d1580df9c013176524507390b09d

Aliases

arxiv: 2507.23664 · arxiv_version: 2507.23664v1 · doi: 10.48550/arxiv.2507.23664 · pith_short_12: XZSUNI3R76WM · pith_short_16: XZSUNI3R76WMQRP5 · pith_short_8: XZSUNI3R

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/XZSUNI3R76WMQRP5MMQAIFWQW5 \
  | 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: be6546a371ffacc845fd63200416d0b77593d1580df9c013176524507390b09d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d4df630f87df9653d95bc658cb582b826644d08d780f94d67dacbc93f09972d",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-07-31T15:43:51Z",
    "title_canon_sha256": "05d296823b1eb60a485d76c727e250b5cc89fa30e46110a9966bf453fb0f1bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23664",
    "kind": "arxiv",
    "version": 1
  }
}