Pith Number

pith:QYP5OYO3

pith:2026:QYP5OYO3DBZVBFJNBDX35ONZIC

not attested not anchored not stored refs pending

PTP: Previous-Token Prediction based LLM Inversion for Near-Exact Prompt Reconstruction

Amit Sethi, Atanu R Sinha, Nagasai Saketh Naidu, Pirzada Suhail

arxiv:2607.29378 v1 · 2026-07-31 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYP5OYO3DBZVBFJNBDX35ONZIC}

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	2026-08-03T01:33:35.010885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

861fd761db187350952d08efbeb9b940a9fe9bd489456c020e409de8c4a0a227

Aliases

arxiv: 2607.29378 · arxiv_version: 2607.29378v1 · doi: 10.48550/arxiv.2607.29378 · pith_short_12: QYP5OYO3DBZV · pith_short_16: QYP5OYO3DBZVBFJN · pith_short_8: QYP5OYO3

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/QYP5OYO3DBZVBFJNBDX35ONZIC \
  | 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: 861fd761db187350952d08efbeb9b940a9fe9bd489456c020e409de8c4a0a227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d03835a7ca000c9e8d73765ef8e6c7f6109651585e43500b98ad810873b86534",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-31T13:01:43Z",
    "title_canon_sha256": "79bf560d0e47a28ddee53f2ae1f08a1fadc8d2c4a561ede880093e37c04065cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29378",
    "kind": "arxiv",
    "version": 1
  }
}