Pith Number

pith:GPWI77GD

pith:2019:GPWI77GDDQQSJCKJ3QKLCCGT6H

not attested not anchored not stored refs pending

Fusion reactions in the $^9$Be + $^{197}$Au system above the Coulomb barrier

B. S. Gao, G. S. Li, H. O. Soler, J. G. Wang, J. Lubian, K. K. Zheng, K. L. Wang, M. L. Liu, N. T. Zhang, R. Li, S. C. Wang, S. Guo, X. H. Zhou, Y. D. Fang, Y. H. Qiang, Y. H. Zhang, Y. Zheng

arxiv:1909.03221 v2 · 2019-09-07 · nucl-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPWI77GDDQQSJCKJ3QKLCCGT6H}

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	2026-07-05T00:19:37.890879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33ec8ffcc31c21248949dc14b108d3f1d7cbd65692865f172eccda7ed6c5b72a

Aliases

arxiv: 1909.03221 · arxiv_version: 1909.03221v2 · doi: 10.48550/arxiv.1909.03221 · pith_short_12: GPWI77GDDQQS · pith_short_16: GPWI77GDDQQSJCKJ · pith_short_8: GPWI77GD

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/GPWI77GDDQQSJCKJ3QKLCCGT6H \
  | 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: 33ec8ffcc31c21248949dc14b108d3f1d7cbd65692865f172eccda7ed6c5b72a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8198ed9684e1fab8824303038f1635d31f37233f277cca89751a8206d4438e88",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-09-07T08:58:50Z",
    "title_canon_sha256": "2951c2825f1ce77e558e338d486aa715e127d892714c486ae8a41a49a32f0f5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03221",
    "kind": "arxiv",
    "version": 2
  }
}