Pith Number

pith:YGQVYZDU

pith:1998:YGQVYZDUYCIBUFOHU4DOXCQE6I

not attested not anchored not stored refs pending

Role of the $\Delta$ isobar in the reaction $NN \to NN\pi$ near threshold

C. Hanhart, J. Haidenbauer, J. Speth, O. Krehl

arxiv:nucl-th/9808020 v1 · 1998-08-10 · 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{YGQVYZDUYCIBUFOHU4DOXCQE6I}

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	2026-05-18T01:05:17.897402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1a15c6474c0901a15c7a706eb8a04f2192887ca3122d964a0b4f193399a8a93

Aliases

arxiv: nucl-th/9808020 · arxiv_version: nucl-th/9808020v1 · doi: 10.48550/arxiv.nucl-th/9808020 · pith_short_12: YGQVYZDUYCIB · pith_short_16: YGQVYZDUYCIBUFOH · pith_short_8: YGQVYZDU

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/YGQVYZDUYCIBUFOHU4DOXCQE6I \
  | 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: c1a15c6474c0901a15c7a706eb8a04f2192887ca3122d964a0b4f193399a8a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74645c198701ea2cb3b4eb629acd30ba50ec6fe9d06e3a0eaa5eb89f73be75d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1998-08-10T14:23:34Z",
    "title_canon_sha256": "eda69afca8257d85e1cb907f33469927f60d78badb2123b944ae887731d74bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9808020",
    "kind": "arxiv",
    "version": 1
  }
}