Pith Number

pith:KKTWKPSF

pith:2025:KKTWKPSFHQDJOWC7ASC3E6ZJ5S

not attested not anchored not stored refs pending

Two-Loop Extraction of the Pion-Nucleon Sigma Term

De-Liang Yao, Feng-Kun Guo, Han-Xue Chen, Ze-Rui Liang, Zhi-Hui Guo

arxiv:2508.11435 v1 · 2025-08-15 · hep-ph · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKTWKPSFHQDJOWC7ASC3E6ZJ5S}

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	2026-07-05T11:54:33.409129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a7653e453c0697585f0485b27b29eca645f8302e69e31ab89996d06628684f

Aliases

arxiv: 2508.11435 · arxiv_version: 2508.11435v1 · doi: 10.48550/arxiv.2508.11435 · pith_short_12: KKTWKPSFHQDJ · pith_short_16: KKTWKPSFHQDJOWC7 · pith_short_8: KKTWKPSF

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/KKTWKPSFHQDJOWC7ASC3E6ZJ5S \
  | 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: 52a7653e453c0697585f0485b27b29eca645f8302e69e31ab89996d06628684f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f98001453fd6c4505e96af3b40e94515e5a70b9c69d1f51695bcec44eb2162a8",
    "cross_cats_sorted": [
      "hep-lat"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-08-15T12:34:19Z",
    "title_canon_sha256": "1095216924f1dcfa5f92b2af8884db430ba550e5556df91da39589a7d00c3a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.11435",
    "kind": "arxiv",
    "version": 1
  }
}