Pith Number

pith:7GGK5OZA

pith:1993:7GGK5OZAUJKGREGNW56DR43VJM

not attested not anchored not stored refs pending

Estimates of $m_d - m_u$ and $\langle\bar{d}d\rangle - \langle\bar{u}u\rangle$ from QCD sum rules for $D$ and $D^{\ast}$ isospin mass differences

B.L. Ioffe, V.L. Eletsky

arxiv:hep-ph/9302299 v1 · 1993-02-24 · 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{7GGK5OZAUJKGREGNW56DR43VJM}

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	2026-05-18T04:30:15.286815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98caebb20a2546890cdb77c38f3754b177c9de7a45995ce855442add799711e

Aliases

arxiv: hep-ph/9302299 · arxiv_version: hep-ph/9302299v1 · doi: 10.48550/arxiv.hep-ph/9302299 · pith_short_12: 7GGK5OZAUJKG · pith_short_16: 7GGK5OZAUJKGREGN · pith_short_8: 7GGK5OZA

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/7GGK5OZAUJKGREGNW56DR43VJM \
  | 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: f98caebb20a2546890cdb77c38f3754b177c9de7a45995ce855442add799711e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c801c304fd0725e817578acc1b1401f214653063d67debce71b86a24206213d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1993-02-24T11:03:07Z",
    "title_canon_sha256": "6567d54f8c679d1201759d208235f2b3f085d7e5d1c0c295ac633e8f65e4bf0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9302299",
    "kind": "arxiv",
    "version": 1
  }
}