Pith Number

pith:RGUMHO7L

pith:2001:RGUMHO7LVQWKCY24FCJPCS4R3W

not attested not anchored not stored refs pending

Observation of exotic meson production in the reaction $ \pi^{-} p \to \eta^{\prime} \pi^- p$ at 18 GeV/c

E.I. Ivanov, et al

arxiv:hep-ex/0101058 v1 · 2001-01-31 · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGUMHO7LVQWKCY24FCJPCS4R3W}

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	2026-07-04T15:32:09.829373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89a8c3bbebac2ca1635c2892f14b91dda96d89c8fbc6e42363fe7f38d213b6cf

Aliases

arxiv: hep-ex/0101058 · arxiv_version: hep-ex/0101058v1 · doi: 10.48550/arxiv.hep-ex/0101058 · pith_short_12: RGUMHO7LVQWK · pith_short_16: RGUMHO7LVQWKCY24 · pith_short_8: RGUMHO7L

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/RGUMHO7LVQWKCY24FCJPCS4R3W \
  | 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: 89a8c3bbebac2ca1635c2892f14b91dda96d89c8fbc6e42363fe7f38d213b6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "494145ff58155d703ef8be36a49bb4d037b449d4e92a2e1833da39d7be01eaba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2001-01-31T21:23:55Z",
    "title_canon_sha256": "c805b041c58060faea1c0daf374aea08e46f1cf58dae812044f775cc7bbff9f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0101058",
    "kind": "arxiv",
    "version": 1
  }
}