Pith Number

pith:VTA4WQTA

pith:2025:VTA4WQTAHLGOEX7OVNORZEHB7G

not attested not anchored not stored refs pending

Backprompting: Leveraging Synthetic Production Data for Health Advice Guardrails

Anna Lisa Gentile, Chad DeLuca, Guang-Jie Ren, Kellen Tan Cheng

arxiv:2508.18384 v1 · 2025-08-25 · 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{VTA4WQTAHLGOEX7OVNORZEHB7G}

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	2026-07-05T11:59:23.324531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc1cb42603acce25feeab5d1c90e1f984f1dbcdd4c2159b0384b5bae6b28634

Aliases

arxiv: 2508.18384 · arxiv_version: 2508.18384v1 · doi: 10.48550/arxiv.2508.18384 · pith_short_12: VTA4WQTAHLGO · pith_short_16: VTA4WQTAHLGOEX7O · pith_short_8: VTA4WQTA

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/VTA4WQTAHLGOEX7OVNORZEHB7G \
  | 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: acc1cb42603acce25feeab5d1c90e1f984f1dbcdd4c2159b0384b5bae6b28634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5698bb4217c504b2cea5a6f2fb3020e74491e5ee94338ea46bcda833911752ea",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-25T18:17:00Z",
    "title_canon_sha256": "d29ffa1def0c4d45a5a66343001d559f2bdf4f12e89708549b1519efe2f90562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18384",
    "kind": "arxiv",
    "version": 1
  }
}