Pith Number

pith:BPL7FLAM

pith:2021:BPL7FLAMDFOEGPOY52EZJO3VAN

not attested not anchored not stored refs pending

Factual Probing Is [MASK]: Learning vs. Learning to Recall

Dan Friedman, Danqi Chen, Zexuan Zhong

arxiv:2104.05240 v2 · 2021-04-12 · 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{BPL7FLAMDFOEGPOY52EZJO3VAN}

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

3 papers in Pith

Exposing Functional Fusion: A New Class of Strategic Backdoor in Dynamic Prompt Architectures

LLaVA-Video: Video Instruction Tuning With Synthetic Data

Graph Topology Information Enhanced Heterogeneous Graph Representation Learning

Receipt and verification

First computed	2026-07-05T03:40:32.748548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd7f2ac0c195c433dd8ee8994bb75036b35582b7605ae30935e6a4e41dd3eca

Aliases

arxiv: 2104.05240 · arxiv_version: 2104.05240v2 · doi: 10.48550/arxiv.2104.05240 · pith_short_12: BPL7FLAMDFOE · pith_short_16: BPL7FLAMDFOEGPOY · pith_short_8: BPL7FLAM

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/BPL7FLAMDFOEGPOY52EZJO3VAN \
  | 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: 0bd7f2ac0c195c433dd8ee8994bb75036b35582b7605ae30935e6a4e41dd3eca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "173265777bb79ab7fd437cc1842311e98d2e8aa93d47566eb2db18bf7063b58d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-12T07:11:40Z",
    "title_canon_sha256": "9ac4e7a59067ed00a0c0a618dee775b1f47c2807dbd3d34f5fdea09704651f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05240",
    "kind": "arxiv",
    "version": 2
  }
}