Pith Number

pith:XKIFBQ7E

pith:2011:XKIFBQ7ER7MWHEC3ULOOD6EP7H

not attested not anchored not stored refs pending

Chiral QCD sum rules for open charm mesons

Burkhard Kampfer, Stefan Leupold, Thomas Hilger

arxiv:1109.1229 v1 · 2011-09-06 · 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{XKIFBQ7ER7MWHEC3ULOOD6EP7H}

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	2026-05-18T04:11:31.352113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba9050c3e48fd963905ba2dce1f88ff9d9aa45dd3800f48cd763465dbad2591f

Aliases

arxiv: 1109.1229 · arxiv_version: 1109.1229v1 · doi: 10.48550/arxiv.1109.1229 · pith_short_12: XKIFBQ7ER7MW · pith_short_16: XKIFBQ7ER7MWHEC3 · pith_short_8: XKIFBQ7E

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/XKIFBQ7ER7MWHEC3ULOOD6EP7H \
  | 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: ba9050c3e48fd963905ba2dce1f88ff9d9aa45dd3800f48cd763465dbad2591f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9cd82c9636f25c410e4ca0565cea63dae4a2d847fbafbfcf09ed60b19c84a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-09-06T16:54:24Z",
    "title_canon_sha256": "daac98adb9170fe768d096bf7bdd8b94cd685387e8cb9213377fd31778f430df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1229",
    "kind": "arxiv",
    "version": 1
  }
}