Pith Number

pith:2JFI7NHX

pith:2021:2JFI7NHX6G5DALV7BR54G5ZDG5

not attested not anchored not stored refs pending

Transformers in the loop: Polarity in neural models of language

Alexey Tikhonov, Lisa Bylinina

arxiv:2109.03926 v2 · 2021-09-08 · 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{2JFI7NHX6G5DALV7BR54G5ZDG5}

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	2026-07-05T04:06:16.806391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24a8fb4f7f1ba302ebf0c7bc377233753ef5c3b1819dcffd0cb16e7007bef2e

Aliases

arxiv: 2109.03926 · arxiv_version: 2109.03926v2 · doi: 10.48550/arxiv.2109.03926 · pith_short_12: 2JFI7NHX6G5D · pith_short_16: 2JFI7NHX6G5DALV7 · pith_short_8: 2JFI7NHX

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/2JFI7NHX6G5DALV7BR54G5ZDG5 \
  | 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: d24a8fb4f7f1ba302ebf0c7bc377233753ef5c3b1819dcffd0cb16e7007bef2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16d7bd9b86a6167896a8916ac43acad12f42768cc5b8e967ae00773cd19af013",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-08T20:56:32Z",
    "title_canon_sha256": "452d29c01d750a2b841e0ea894910b42c29b02445ca15da1bbae7c310995d2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03926",
    "kind": "arxiv",
    "version": 2
  }
}