Pith Number

pith:H6ZYGRGU

pith:2026:H6ZYGRGUVYD65NNMNDSUZRUG55

not attested not anchored not stored refs pending

ProPRL: Property-Aware Prerequisite Relation Learning in Educational Knowledge Graphs

Chaobo He, Jiapu Wang, Quanlong Guan, Ruihai Dong, Xinghe Cheng

arxiv:2608.03006 v1 · 2026-08-04 · 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{H6ZYGRGUVYD65NNMNDSUZRUG55}

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	2026-08-05T00:44:23.128651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb38344d4ae07eeb5ac68e54cc686ef7dd58abd5dc494b9241e47718bc1e854

Aliases

arxiv: 2608.03006 · arxiv_version: 2608.03006v1 · doi: 10.48550/arxiv.2608.03006 · pith_short_12: H6ZYGRGUVYD6 · pith_short_16: H6ZYGRGUVYD65NNM · pith_short_8: H6ZYGRGU

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/H6ZYGRGUVYD65NNMNDSUZRUG55 \
  | 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: 3fb38344d4ae07eeb5ac68e54cc686ef7dd58abd5dc494b9241e47718bc1e854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c51ad40b39bdf957b1a57fdac8a8fd8162ed750654c59dec371a43c13c35e16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-04T01:41:01Z",
    "title_canon_sha256": "e745316afd6c782371b86bd43a556f4818ff5ef788a53325d84afe7e2dd6f58e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.03006",
    "kind": "arxiv",
    "version": 1
  }
}