Pith Number

pith:OYVD2QXR

pith:2026:OYVD2QXRUDKPOS27WH4HUZDWPU

not attested not anchored not stored refs pending

Retrieval-Constrained Policy Optimization for Attack Technique Extraction from Cyber Threat Intelligence

Jiayun Zhang, Junshen Xu, Yi Fan, Zejun Xie

arxiv:2608.06778 v1 · 2026-08-07 · cs.CR · 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{OYVD2QXRUDKPOS27WH4HUZDWPU}

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	2026-08-10T01:12:00.677901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762a3d42f1a0d4f74b5fb1f87a64767d17870ed92dac084b9c6b0b9e3302fb55

Aliases

arxiv: 2608.06778 · arxiv_version: 2608.06778v1 · doi: 10.48550/arxiv.2608.06778 · pith_short_12: OYVD2QXRUDKP · pith_short_16: OYVD2QXRUDKPOS27 · pith_short_8: OYVD2QXR

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/OYVD2QXRUDKPOS27WH4HUZDWPU \
  | 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: 762a3d42f1a0d4f74b5fb1f87a64767d17870ed92dac084b9c6b0b9e3302fb55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dbed5c888e86db654f34953d3d4803783d0027a3e5a5f5632aaf70943968eea",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-08-07T03:52:33Z",
    "title_canon_sha256": "0bbaa42acc31de4c283ca801e1105d48529cba31647a566380c96312d986b080"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06778",
    "kind": "arxiv",
    "version": 1
  }
}