Pith Number

pith:SPVNXOYL

pith:2021:SPVNXOYL77PKDRSAKLC4OY6W7E

not attested not anchored not stored refs pending

Annotation Curricula to Implicitly Train Non-Expert Annotators

Iryna Gurevych, Jan-Christoph Klie, Ji-Ung Lee

arxiv:2106.02382 v3 · 2021-06-04 · 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{SPVNXOYL77PKDRSAKLC4OY6W7E}

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	2026-07-05T03:43:02.567265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93eadbbb0bffdea1c64052c5c763d6f91f623fedc249268e2c2c53b53a78e8c8

Aliases

arxiv: 2106.02382 · arxiv_version: 2106.02382v3 · doi: 10.48550/arxiv.2106.02382 · pith_short_12: SPVNXOYL77PK · pith_short_16: SPVNXOYL77PKDRSA · pith_short_8: SPVNXOYL

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/SPVNXOYL77PKDRSAKLC4OY6W7E \
  | 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: 93eadbbb0bffdea1c64052c5c763d6f91f623fedc249268e2c2c53b53a78e8c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32556ef30fd84ba27cbea0c7666ad6ae22bcca5c1680d12f6099adbd9b6bcd18",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-04T09:48:28Z",
    "title_canon_sha256": "faf5b886eae9dcac4c8489834644f636d810822bcc1e8fc8845312bb5be9e066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02382",
    "kind": "arxiv",
    "version": 3
  }
}