Pith Number

pith:CUA44XHJ

pith:1998:CUA44XHJDQQS5VYBGWSDWE2UGT

not attested not anchored not stored refs pending

Radiative proton-antiproton annihilation and isospin mixing in protonium

A. Faessler, M. Strohmeier-Presicek, R. Vinh Mau, T. Gutsche

arxiv:nucl-th/9811039 v2 · 1998-11-11 · 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{CUA44XHJDQQS5VYBGWSDWE2UGT}

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	2026-07-04T16:10:19.298042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1501ce5ce91c212ed70135a43b135434dedccc27f09f68029b1421c9ba663bc1

Aliases

arxiv: nucl-th/9811039 · arxiv_version: nucl-th/9811039v2 · doi: 10.48550/arxiv.nucl-th/9811039 · pith_short_12: CUA44XHJDQQS · pith_short_16: CUA44XHJDQQS5VYB · pith_short_8: CUA44XHJ

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/CUA44XHJDQQS5VYBGWSDWE2UGT \
  | 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: 1501ce5ce91c212ed70135a43b135434dedccc27f09f68029b1421c9ba663bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6104678dffcdb914d056bb82370aecba1b046e2747907eb64ab30743a1efc497",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1998-11-11T09:44:40Z",
    "title_canon_sha256": "ee0bba90c20a4a23d2f95f20a508ab790c008805bfca2e02fd281144333c02ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9811039",
    "kind": "arxiv",
    "version": 2
  }
}