Pith Number

pith:2AM7W4YT

pith:2022:2AM7W4YTVIPDRIAECAHFOOHWO7

not attested not anchored not stored refs pending

Linguistic Constructs as the Representation of the Domain Model in an Intelligent Language Tutoring System

Anh-Duc Vu, Anisia Katinskaia, Jue Hou, Roman Yangarber

arxiv:2212.01711 v1 · 2022-12-03 · 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{2AM7W4YTVIPDRIAECAHFOOHWO7}

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	2026-07-05T05:22:15.661042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d019fb7313aa1e38a004100e5738f677e2855c9bb0626ed83abe31339686cb59

Aliases

arxiv: 2212.01711 · arxiv_version: 2212.01711v1 · doi: 10.48550/arxiv.2212.01711 · pith_short_12: 2AM7W4YTVIPD · pith_short_16: 2AM7W4YTVIPDRIAE · pith_short_8: 2AM7W4YT

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/2AM7W4YTVIPDRIAECAHFOOHWO7 \
  | 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: d019fb7313aa1e38a004100e5738f677e2855c9bb0626ed83abe31339686cb59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a87adadafa60d200a7306b2c3335f73d5e16ef7722daf7d02b7bbdfe159f58bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-12-03T23:42:28Z",
    "title_canon_sha256": "ba00b047e5041b699bd3ca3d9064a67576835b7ae0b38ab94a76da186d2656af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01711",
    "kind": "arxiv",
    "version": 1
  }
}