Pith Number

pith:YDPYMSAM

pith:2010:YDPYMSAMAZVMQQEEBNCKXLVHP6

not attested not anchored not stored refs pending

Proton Sea Quark Flavour Asymmetry and Roper Resonance

Bin Zhang, Yong-Jun Zhang

arxiv:1005.4550 v2 · 2010-05-25 · 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{YDPYMSAMAZVMQQEEBNCKXLVHP6}

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	2026-05-18T02:07:14.735714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0df86480c066ac840840b44abaea77fa151361a105019da68bc1c1abd00faf4

Aliases

arxiv: 1005.4550 · arxiv_version: 1005.4550v2 · doi: 10.48550/arxiv.1005.4550 · pith_short_12: YDPYMSAMAZVM · pith_short_16: YDPYMSAMAZVMQQEE · pith_short_8: YDPYMSAM

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/YDPYMSAMAZVMQQEEBNCKXLVHP6 \
  | 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: c0df86480c066ac840840b44abaea77fa151361a105019da68bc1c1abd00faf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a0f47b8e3ddf7ba83550fdc45d31811d864bdc9c2f4779dbfd9060897d5c07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2010-05-25T12:32:54Z",
    "title_canon_sha256": "5b2a77d9200902bede394c1e65191623aecc6d0c57c2cb8bff9a8c267e2e71f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4550",
    "kind": "arxiv",
    "version": 2
  }
}