Pith Number

pith:UUIP6UUS

pith:2021:UUIP6UUSRU3FCFBY3BSYALPABI

not attested not anchored not stored refs pending

Pushing the Right Buttons: Adversarial Evaluation of Quality Estimation

Constantin Or\u{a}san, Diptesh Kanojia, Fr\'ed\'eric Blain, Lucia Specia, Marina Fomicheva, Tharindu Ranasinghe

arxiv:2109.10859 v1 · 2021-09-22 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUIP6UUSRU3FCFBY3BSYALPABI}

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	2026-07-05T03:16:40.575675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a510ff52928d36511438d865802de00a22512e3b544c95a01138088472e8390b

Aliases

arxiv: 2109.10859 · arxiv_version: 2109.10859v1 · doi: 10.48550/arxiv.2109.10859 · pith_short_12: UUIP6UUSRU3F · pith_short_16: UUIP6UUSRU3FCFBY · pith_short_8: UUIP6UUS

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/UUIP6UUSRU3FCFBY3BSYALPABI \
  | 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: a510ff52928d36511438d865802de00a22512e3b544c95a01138088472e8390b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9240ce010faf55a8025686db904cb0fb3e506ae0acfb5cca31fe26ee4f907c2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-22T17:32:18Z",
    "title_canon_sha256": "c490008d214ffc1b527b0bac8c1ba57d4fae0c2aca13460eeb4414c4d3c40806"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10859",
    "kind": "arxiv",
    "version": 1
  }
}