Pith. sign in
Pith Number

pith:O4RHUYOX

pith:2021:O4RHUYOXMCF434LIZAEGNVMWK7
not attested not anchored not stored refs pending

DEXTER: Deep Encoding of External Knowledge for Named Entity Recognition in Virtual Assistants

Alex Acero, Deepak Muralidharan, Jason Williams, Jingjing Pan, Joel Ruben Antony Moniz, Lin Li, Megan Barnes, Stephen Pulman, Weicheng Zhang

arxiv:2108.06633 v1 · 2021-08-15 · cs.CL · cs.AI · cs.LG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O4RHUYOXMCF434LIZAEGNVMWK7}

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 2026-07-05T07:05:38.317593Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

77227a61d7608bcdf168c80866d59657f69d6e4a3796d62932b1ed7f3dfd1ce0

Aliases

arxiv: 2108.06633 · arxiv_version: 2108.06633v1 · doi: 10.48550/arxiv.2108.06633 · pith_short_12: O4RHUYOXMCF4 · pith_short_16: O4RHUYOXMCF434LI · pith_short_8: O4RHUYOX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O4RHUYOXMCF434LIZAEGNVMWK7 \
  | 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: 77227a61d7608bcdf168c80866d59657f69d6e4a3796d62932b1ed7f3dfd1ce0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "173f869d706f2e346c0381059c87b178af1f1caf0b866479ceed3775cbcb62db",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-15T00:14:47Z",
    "title_canon_sha256": "ce973ee4602d1f90e2e1b2930712bd79d5d7179ea34c89b744a9aa0d3acbc7ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06633",
    "kind": "arxiv",
    "version": 1
  }
}