Pith Number

pith:XFHBTBG2

pith:2026:XFHBTBG22YKHLFR6LM7N4A3P4D

not attested not anchored not stored refs pending

VDGR-RAG: Vectors, Directories, Graphs, and Reflection Are All You Need for Unified Reasoning over Hierarchical Enterprise Knowledge

Fangming Li, Haofei Yang, Rui Yang, Wenqi Chen

arxiv:2608.07994 v1 · 2026-08-08 · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFHBTBG22YKHLFR6LM7N4A3P4D}

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	2026-08-11T01:21:20.347222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94e1984dad61475963e5b3ede036fe0f4292c435c6fdedd449e2920d14ee235

Aliases

arxiv: 2608.07994 · arxiv_version: 2608.07994v1 · doi: 10.48550/arxiv.2608.07994 · pith_short_12: XFHBTBG22YKH · pith_short_16: XFHBTBG22YKHLFR6 · pith_short_8: XFHBTBG2

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/XFHBTBG22YKHLFR6LM7N4A3P4D \
  | 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: b94e1984dad61475963e5b3ede036fe0f4292c435c6fdedd449e2920d14ee235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02d45588f6f546167f8ca923ea3e5857c7db37e954a7375f646e1d6127790a4",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-08T08:03:34Z",
    "title_canon_sha256": "8116db24561d2044404b1233f622aa69e5a9d9a2c374b849a61f81aba78b6896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07994",
    "kind": "arxiv",
    "version": 1
  }
}