Pith Number

pith:SPEZ3QIK

pith:2019:SPEZ3QIK6GKS2KERI3RXAHN3ZW

not attested not anchored not stored refs pending

A Lattice Story of Proton Spin

Yi-Bo Yang

arxiv:1904.04138 v2 · 2019-04-08 · hep-lat · hep-ph · 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{SPEZ3QIK6GKS2KERI3RXAHN3ZW}

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	2026-05-17T23:48:44.901977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c99dc10af1952d289146e3701dbbcdb5854805dbcadbba569f98ae914129b2

Aliases

arxiv: 1904.04138 · arxiv_version: 1904.04138v2 · doi: 10.48550/arxiv.1904.04138 · pith_short_12: SPEZ3QIK6GKS · pith_short_16: SPEZ3QIK6GKS2KER · pith_short_8: SPEZ3QIK

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/SPEZ3QIK6GKS2KERI3RXAHN3ZW \
  | 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: 93c99dc10af1952d289146e3701dbbcdb5854805dbcadbba569f98ae914129b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60f94acb9821f1b617bd38b79f3cdcd68fc62648a471c904df61c12e63eb9a8f",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2019-04-08T15:48:53Z",
    "title_canon_sha256": "fd3e26dd88dd5836a268a97c9e9cc999b2a1ca5f7ab1f53d2fdbfd2ca84c26ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04138",
    "kind": "arxiv",
    "version": 2
  }
}