Pith Number

pith:5GYPWPUH

pith:2026:5GYPWPUHNYFMH6L4HLA3MSI4TU

not attested not anchored not stored refs pending

PsyScore: A Psychometrically-Aware Framework for Trait-Adaptive Essay Scoring and ZPD-Scaffolded Feedback

Chanjin Zheng, Haoran Shi, Jin Wu, Wei Xia, Xiangyu Wang

arxiv:2606.20287 v1 · 2026-06-18 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GYPWPUHNYFMH6L4HLA3MSI4TU}

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	2026-06-19T16:13:07.830201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9b0fb3e876e0ac3f97c3ac1b6491c9d28fa52fe2b086a40821c80319f1e17e3

Aliases

arxiv: 2606.20287 · arxiv_version: 2606.20287v1 · doi: 10.48550/arxiv.2606.20287 · pith_short_12: 5GYPWPUHNYFM · pith_short_16: 5GYPWPUHNYFMH6L4 · pith_short_8: 5GYPWPUH

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/5GYPWPUHNYFMH6L4HLA3MSI4TU \
  | 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: e9b0fb3e876e0ac3f97c3ac1b6491c9d28fa52fe2b086a40821c80319f1e17e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4b44b68bc0f55d5b4041e5ba5007fad30a46619a7d989025263d25430e482a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-18T14:29:13Z",
    "title_canon_sha256": "cbe495d81e672b90ea5ce1737067db067f239a96b1a2198974a1b60e6d6264da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20287",
    "kind": "arxiv",
    "version": 1
  }
}