Pith Number

pith:PVFX4SAH

pith:2021:PVFX4SAHK3M46ALK2TGWBSZNJR

not attested not anchored not stored refs pending

A system for information extraction from scientific texts in Russian

Anastasia Mezentseva, Elena Bruches, Tatiana Batura

arxiv:2109.06703 v1 · 2021-09-14 · 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{PVFX4SAHK3M46ALK2TGWBSZNJR}

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	2026-07-05T03:14:29.443089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d4b7e480756d9cf016ad4cd60cb2d4c787a133b3a67144189a183298b9607a6

Aliases

arxiv: 2109.06703 · arxiv_version: 2109.06703v1 · doi: 10.48550/arxiv.2109.06703 · pith_short_12: PVFX4SAHK3M4 · pith_short_16: PVFX4SAHK3M46ALK · pith_short_8: PVFX4SAH

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/PVFX4SAHK3M46ALK2TGWBSZNJR \
  | 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: 7d4b7e480756d9cf016ad4cd60cb2d4c787a133b3a67144189a183298b9607a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78be48969538a13fc4d02c738cf44080e8b40d0df222e0979e2b45cb1ff2922b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-14T14:08:37Z",
    "title_canon_sha256": "df1a106b9ccedb9716e07966441a7871c4386c1704a338ad10dbf1004e6c9fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06703",
    "kind": "arxiv",
    "version": 1
  }
}