Pith Number

pith:F25KFW3O

pith:2017:F25KFW3OIVKFCAHGEZ7IGQ2IPD

not attested not anchored not stored refs pending

Crowdsourcing Universal Part-Of-Speech Tags for Code-Switching

Julia Hirschberg, Victor Soto

arxiv:1703.08537 v1 · 2017-03-24 · 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{F25KFW3OIVKFCAHGEZ7IGQ2IPD}

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	2026-05-18T00:47:59.714188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ebaa2db6e45545100e6267e83434878e3d4e3a6db95d54726cfb5f827061420

Aliases

arxiv: 1703.08537 · arxiv_version: 1703.08537v1 · doi: 10.48550/arxiv.1703.08537 · pith_short_12: F25KFW3OIVKF · pith_short_16: F25KFW3OIVKFCAHG · pith_short_8: F25KFW3O

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/F25KFW3OIVKFCAHGEZ7IGQ2IPD \
  | 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: 2ebaa2db6e45545100e6267e83434878e3d4e3a6db95d54726cfb5f827061420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b18dc1e1d0ebd14b57aa51550dc2996b5f3ef5f26a475fc03f30c3004c92c82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-03-24T17:55:33Z",
    "title_canon_sha256": "92fe9703d822bd1b021473b34d352ba089d0c02e027d996528be58928aa30319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08537",
    "kind": "arxiv",
    "version": 1
  }
}