Pith Number

pith:WFFAQNVE

pith:2021:WFFAQNVEC4WQVESAMLY3CYGFXD

not attested not anchored not stored refs pending

A Non-Linear Structural Probe

Jennifer C. White, Naomi Saphra, Ryan Cotterell, Tiago Pimentel

arxiv:2105.10185 v1 · 2021-05-21 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFFAQNVEC4WQVESAMLY3CYGFXD}

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.

Cited by

1 paper in Pith

Probe-Me-Not: Protecting Pre-trained Encoders from Malicious Probing

Receipt and verification

First computed	2026-07-05T02:42:08.568859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b14a0836a4172d0a924062f1b160c5b8dcdec086bd82be6cec4eeb112b07c08f

Aliases

arxiv: 2105.10185 · arxiv_version: 2105.10185v1 · doi: 10.48550/arxiv.2105.10185 · pith_short_12: WFFAQNVEC4WQ · pith_short_16: WFFAQNVEC4WQVESA · pith_short_8: WFFAQNVE

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/WFFAQNVEC4WQVESAMLY3CYGFXD \
  | 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: b14a0836a4172d0a924062f1b160c5b8dcdec086bd82be6cec4eeb112b07c08f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f035973888063701c27cafcc1f19f67ccab5de2446e6158b424c9bfb9c57cc25",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-21T07:53:10Z",
    "title_canon_sha256": "ae44ee87a59de0838f6afa2a41fc11178f4ad055a8972bb776d6a8d62a6c6796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10185",
    "kind": "arxiv",
    "version": 1
  }
}