Pith Number

pith:A3HDM3TL

pith:2026:A3HDM3TL2LEL6LGDGXMM2XXR34

not attested not anchored not stored refs pending

A tree interpretation of arc standard dependency derivation

Ai Ka Lee, Jungyeul Park, Zihao Huang

arxiv:2603.27459 v2 · 2026-03-29 · 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{A3HDM3TL2LEL6LGDGXMM2XXR34}

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	2026-05-28T01:04:39.042880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ce366e6bd2c8bf2cc335d8cd5ef1df3bba21ac1571aac64b8cb5d8fd9f64f5

Aliases

arxiv: 2603.27459 · arxiv_version: 2603.27459v2 · doi: 10.48550/arxiv.2603.27459 · pith_short_12: A3HDM3TL2LEL · pith_short_16: A3HDM3TL2LEL6LGD · pith_short_8: A3HDM3TL

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/A3HDM3TL2LEL6LGDGXMM2XXR34 \
  | 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: 06ce366e6bd2c8bf2cc335d8cd5ef1df3bba21ac1571aac64b8cb5d8fd9f64f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04298a4e9e35baef36a6f7b27024fd341ff1eeb16c81e09c1e87d83b25b26e6d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-29T00:45:43Z",
    "title_canon_sha256": "d7ae25d2f28b6af2802cefce8afe56a0002939e2f30db9d2a5a78193b1358345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.27459",
    "kind": "arxiv",
    "version": 2
  }
}