Pith Number

pith:L7JD6T5Z

pith:2018:L7JD6T5ZQUN676GKXZDVRQECZU

not attested not anchored not stored refs pending

Towards a General-Purpose Linguistic Annotation Backend

Chian-Yu Chen, Graham Neubig, Jean Lee, Patrick Littell, Yu-Hsiang Lin, Yuyan Zhang, Zirui Li

arxiv:1812.05272 v1 · 2018-12-13 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7JD6T5ZQUN676GKXZDVRQECZU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:58:23.957740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd23f4fb9851beff8cabe4758c082cd3932ebb730a6e80071ff4a190e0137cc

Aliases

arxiv: 1812.05272 · arxiv_version: 1812.05272v1 · doi: 10.48550/arxiv.1812.05272 · pith_short_12: L7JD6T5ZQUN6 · pith_short_16: L7JD6T5ZQUN676GK · pith_short_8: L7JD6T5Z

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/L7JD6T5ZQUN676GKXZDVRQECZU \
  | 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: 5fd23f4fb9851beff8cabe4758c082cd3932ebb730a6e80071ff4a190e0137cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7dcda3911d347c1e3a8d993c681b7b219552b3ce260be89bc374b1ea124277e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-12-13T05:33:11Z",
    "title_canon_sha256": "988e7347781d94ae9aed5f13fa36c2d3f0954b6c5c773d91f8dc77a1ae8d2daf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05272",
    "kind": "arxiv",
    "version": 1
  }
}