Pith Number

pith:G5EHUOYZ

pith:2021:G5EHUOYZRVZOXDBONVW3UM36ZU

not attested not anchored not stored refs pending

In Search of Ambiguity: A Three-Stage Workflow Design to Clarify Annotation Guidelines for Crowd Workers

Matthew Lease, Mike Schaekermann, Vivek Krishna Pradhan

arxiv:2112.02255 v1 · 2021-12-04 · cs.HC · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5EHUOYZRVZOXDBONVW3UM36ZU}

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	2026-07-05T03:37:50.423391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37487a3b198d72eb8c2e6d6dba337ecd1f382126f2f11c400af91a86b70aca30

Aliases

arxiv: 2112.02255 · arxiv_version: 2112.02255v1 · doi: 10.48550/arxiv.2112.02255 · pith_short_12: G5EHUOYZRVZO · pith_short_16: G5EHUOYZRVZOXDBO · pith_short_8: G5EHUOYZ

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/G5EHUOYZRVZOXDBONVW3UM36ZU \
  | 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: 37487a3b198d72eb8c2e6d6dba337ecd1f382126f2f11c400af91a86b70aca30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66401fef566c5ef15ebff5408156092245a78cb294071ed2557f9217dd28f428",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-12-04T05:53:47Z",
    "title_canon_sha256": "e81cc8891152573b7bb9223279b784c70367d2e565cba8c4e18c665b55300d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.02255",
    "kind": "arxiv",
    "version": 1
  }
}