Pith Number

pith:UZ4MDMW7

pith:2000:UZ4MDMW7YEP57W4LAEUXBQ2COW

not attested not anchored not stored refs pending

Inelastic electroproduction of $\eta_c$ at ep colliders

Feng Yuan, Kuang-Ta Chao, Li-Kun Hao

arxiv:hep-ph/0004203 v2 · 2000-04-21 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZ4MDMW7YEP57W4LAEUXBQ2COW}

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	2026-05-18T04:26:12.085877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a678c1b2dfc11fdfdb8b012970c342758b7a50f97d128902f02b13c06419df96

Aliases

arxiv: hep-ph/0004203 · arxiv_version: hep-ph/0004203v2 · doi: 10.48550/arxiv.hep-ph/0004203 · pith_short_12: UZ4MDMW7YEP5 · pith_short_16: UZ4MDMW7YEP57W4L · pith_short_8: UZ4MDMW7

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/UZ4MDMW7YEP57W4LAEUXBQ2COW \
  | 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: a678c1b2dfc11fdfdb8b012970c342758b7a50f97d128902f02b13c06419df96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb94e309dda359b99df0984bb3f89d0b80883c20178ff4a3d8311701d9374484",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2000-04-21T08:19:35Z",
    "title_canon_sha256": "29ffb6d82a54d5f64371ee7d312376dc517ea1511dc4f660338a52482f9b3048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0004203",
    "kind": "arxiv",
    "version": 2
  }
}