Pith Number

pith:MCFHFY4L

pith:2024:MCFHFY4L3WFNADLUCZNHZIYCDR

not attested not anchored not stored refs pending

An Interactive Human-Machine Learning Interface for Collecting and Learning from Complex Annotations

Alexander Hepburn, Jonathan Erskine, Matt Clifford, Ra\'ul Santos-Rodr\'iguez

arxiv:2403.19339 v1 · 2024-03-28 · cs.LG · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCFHFY4L3WFNADLUCZNHZIYCDR}

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	2026-07-05T08:01:47.823006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

608a72e38bdd8ad00d74165a7ca3021c5665b9fe192fd79314bf3426d8187bdd

Aliases

arxiv: 2403.19339 · arxiv_version: 2403.19339v1 · doi: 10.48550/arxiv.2403.19339 · pith_short_12: MCFHFY4L3WFN · pith_short_16: MCFHFY4L3WFNADLU · pith_short_8: MCFHFY4L

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/MCFHFY4L3WFNADLUCZNHZIYCDR \
  | 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: 608a72e38bdd8ad00d74165a7ca3021c5665b9fe192fd79314bf3426d8187bdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d58ede31d84ac275ff42b05482b2dbd973390dc5697bd478c767cbded421a2c6",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-03-28T11:57:06Z",
    "title_canon_sha256": "671c0c495938cf5863a6d7656c78caf4239850023c960003add9a1cf2626d130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.19339",
    "kind": "arxiv",
    "version": 1
  }
}