Pith Number

pith:VTJ3R6DI

pith:2021:VTJ3R6DIUHNXI26RZPO2IL434I

not attested not anchored not stored refs pending

OPAD: An Optimized Policy-based Active Learning Framework for Document Content Analysis

Ashutosh Chaubey, Avneet Jain, Bhanu Prakash Reddy Guda, Ishan Jindal, Sumit Shekhar

arxiv:2110.02069 v2 · 2021-10-01 · cs.IR · 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{VTJ3R6DIUHNXI26RZPO2IL434I}

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	2026-07-05T03:20:38.181861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acd3b8f868a1db746bd1cbdda42f9be20f3fe53c928ad2dc2692fb78f70d7fdd

Aliases

arxiv: 2110.02069 · arxiv_version: 2110.02069v2 · doi: 10.48550/arxiv.2110.02069 · pith_short_12: VTJ3R6DIUHNX · pith_short_16: VTJ3R6DIUHNXI26R · pith_short_8: VTJ3R6DI

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/VTJ3R6DIUHNXI26RZPO2IL434I \
  | 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: acd3b8f868a1db746bd1cbdda42f9be20f3fe53c928ad2dc2692fb78f70d7fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2025e53c262570b24476fb03c813436158e32e4115355038e324dfd02ca9916c",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-10-01T07:40:56Z",
    "title_canon_sha256": "b46a53b6a9f6d76ebfcfac54baa4906b6fb055fd8ba8016033e8f05fcd811394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02069",
    "kind": "arxiv",
    "version": 2
  }
}