Pith Number

pith:GUPNVQSY

pith:2025:GUPNVQSY4GHKJ5S5IYPBS6IY4P

not attested not anchored not stored refs pending

LLM-based Contrastive Self-Supervised AMR Learning with Masked Graph Autoencoders for Fake News Detection

Shraban Kumar Chatterjee, Shubham Gupta, Suman Kundu

arxiv:2508.18819 v1 · 2025-08-26 · cs.CL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUPNVQSY4GHKJ5S5IYPBS6IY4P}

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	2026-07-05T11:59:31.694100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

351edac258e18ea4f65d461e197918e3e1ed4ca2f23df60cc0b74bf00a59531b

Aliases

arxiv: 2508.18819 · arxiv_version: 2508.18819v1 · doi: 10.48550/arxiv.2508.18819 · pith_short_12: GUPNVQSY4GHK · pith_short_16: GUPNVQSY4GHKJ5S5 · pith_short_8: GUPNVQSY

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/GUPNVQSY4GHKJ5S5IYPBS6IY4P \
  | 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: 351edac258e18ea4f65d461e197918e3e1ed4ca2f23df60cc0b74bf00a59531b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1043d2418c1cffc3b40eb55db442b3dd177dde9fc6e3717b1842fc2a5f7c8f8a",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-26T08:58:35Z",
    "title_canon_sha256": "91c59d9416049d70aed3c43f4c5f8d92278eae7de2821e84ebc9c2504f3fc50c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18819",
    "kind": "arxiv",
    "version": 1
  }
}