Pith Number

pith:INLZZQTC

pith:2009:INLZZQTCIC33MQE7NJNL54EY5C

not attested not anchored not stored refs pending

The role of orbital angular momentum in the proton spin

M. Wakamatsu

arxiv:0908.0972 v2 · 2009-08-07 · hep-ph · hep-ex · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INLZZQTCIC33MQE7NJNL54EY5C}

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	2026-05-18T04:30:26.556062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43579cc26240b7b6409f6a5abef098e88dbf9420ea1fd22705c8c638fb562de3

Aliases

arxiv: 0908.0972 · arxiv_version: 0908.0972v2 · doi: 10.48550/arxiv.0908.0972 · pith_short_12: INLZZQTCIC33 · pith_short_16: INLZZQTCIC33MQE7 · pith_short_8: INLZZQTC

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/INLZZQTCIC33MQE7NJNL54EY5C \
  | 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: 43579cc26240b7b6409f6a5abef098e88dbf9420ea1fd22705c8c638fb562de3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1366e1e50569cb9ee5ef2aaee6b5691683ad5013896cf1bee0ed10dfe435a9bc",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-08-07T01:10:27Z",
    "title_canon_sha256": "28959a81662afb6952c611e12a2bb72a96448b3f3e0716a5de41bfcaa6c64578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0972",
    "kind": "arxiv",
    "version": 2
  }
}