Pith Number

pith:LA3Y2XBD

pith:2019:LA3Y2XBDYRJPPGR6QTYPMCEX2Q

not attested not anchored not stored refs pending

Character Eyes: Seeing Language through Character-Level Taggers

Jacob Eisenstein, Marc Marone, Yuval Pinter

arxiv:1903.05041 v1 · 2019-03-12 · 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{LA3Y2XBDYRJPPGR6QTYPMCEX2Q}

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	2026-05-17T23:51:26.461726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58378d5c23c452f79a3e84f0f60897d420593981c112e0e1b3e7fef69ea7d2fa

Aliases

arxiv: 1903.05041 · arxiv_version: 1903.05041v1 · doi: 10.48550/arxiv.1903.05041 · pith_short_12: LA3Y2XBDYRJP · pith_short_16: LA3Y2XBDYRJPPGR6 · pith_short_8: LA3Y2XBD

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/LA3Y2XBDYRJPPGR6QTYPMCEX2Q \
  | 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: 58378d5c23c452f79a3e84f0f60897d420593981c112e0e1b3e7fef69ea7d2fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87a41606e60f09362fe5c3e89602e37071d6d5f29b5877bfde63ec78cb2705bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-12T16:42:39Z",
    "title_canon_sha256": "cee61aeb432758e9a71a76a8726a290d6727a3387b9be033f802bfa89bbe278a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05041",
    "kind": "arxiv",
    "version": 1
  }
}