Pith Number

pith:HG24SYDS

pith:2025:HG24SYDSPVUVYFI45UZNXBMGKC

not attested not anchored not stored refs pending

Will It Still Be True Tomorrow? Multilingual Evergreen Question Classification to Improve Trustworthy QA

Alexander Panchenko, Daria Galimzianova, Maria Marina, Mikhail Salnikov, Nikita Krayko, Nikolay Ivanov, Sergey Pletenev, Vasily Konovalov, Viktor Moskvoretskii

arxiv:2505.21115 v1 · 2025-05-27 · 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{HG24SYDSPVUVYFI45UZNXBMGKC}

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	2026-07-05T11:10:23.952858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b5c960727d695c151ced32db858650837ba71200814104be4351f586dcc214

Aliases

arxiv: 2505.21115 · arxiv_version: 2505.21115v1 · doi: 10.48550/arxiv.2505.21115 · pith_short_12: HG24SYDSPVUV · pith_short_16: HG24SYDSPVUVYFI4 · pith_short_8: HG24SYDS

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/HG24SYDSPVUVYFI45UZNXBMGKC \
  | 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: 39b5c960727d695c151ced32db858650837ba71200814104be4351f586dcc214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4cb0013874b2e4424effcc8cf39a82854c514b0ee58ed703bc509deb1d9f9ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-27T12:35:13Z",
    "title_canon_sha256": "458503efddfe5428df980f0f6a8d0661b1fd03fcc554af2147d218b66dcc23be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21115",
    "kind": "arxiv",
    "version": 1
  }
}