Pith Number

pith:7VJSBYOF

pith:2026:7VJSBYOFD4VUCNQQDZLVMTZBQA

not attested not anchored not stored refs pending

FABSVer: Faster Training and Better Self-Verification for LLM Mathematical Reasoning

Haihui Pan, Hongfei Jiang, Junwei Bao, Yang Song

arxiv:2605.28389 v1 · 2026-05-27 · 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{7VJSBYOFD4VUCNQQDZLVMTZBQA}

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	2026-05-28T01:05:16.829521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd5320e1c51f2b4136101e57564f21802d7b994d3813936c4f12b36e9739ffba

Aliases

arxiv: 2605.28389 · arxiv_version: 2605.28389v1 · doi: 10.48550/arxiv.2605.28389 · pith_short_12: 7VJSBYOFD4VU · pith_short_16: 7VJSBYOFD4VUCNQQ · pith_short_8: 7VJSBYOF

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/7VJSBYOFD4VUCNQQDZLVMTZBQA \
  | 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: fd5320e1c51f2b4136101e57564f21802d7b994d3813936c4f12b36e9739ffba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef9caa950e6d69b0afb1218ef462fa211ab9aaac534ae1630d400a81f2b9e525",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T12:26:34Z",
    "title_canon_sha256": "960a53b0a71124f5f9562c502da0a1d5be4c64c99f6a40b20e42789f47ad4830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28389",
    "kind": "arxiv",
    "version": 1
  }
}