Pith Number

pith:YQQIRDIP

pith:1997:YQQIRDIPUW45WD2U3FDI7VOOVO

not attested not anchored not stored refs pending

Probing Nucleon Spin Structure

Argonne National Lab), Gordon P. Ramsey (Loyola Univ.

arxiv:hep-ph/9702227 v1 · 1997-02-03 · 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{YQQIRDIPUW45WD2U3FDI7VOOVO}

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	2026-05-18T02:37:05.348668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c420888d0fa5b9db0f54d9468fd5ceab871e9a96a13ed55a9d5800ff315b3db5

Aliases

arxiv: hep-ph/9702227 · arxiv_version: hep-ph/9702227v1 · doi: 10.48550/arxiv.hep-ph/9702227 · pith_short_12: YQQIRDIPUW45 · pith_short_16: YQQIRDIPUW45WD2U · pith_short_8: YQQIRDIP

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/YQQIRDIPUW45WD2U3FDI7VOOVO \
  | 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: c420888d0fa5b9db0f54d9468fd5ceab871e9a96a13ed55a9d5800ff315b3db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e91ce9f48174c230f00a5c1fadd61a9dc066b42a72b9f20e2039e69aa895ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-02-03T16:17:35Z",
    "title_canon_sha256": "257bdeeca548e51e30a9e6b53927c55eac784e4102b0e48314a7ea920434600d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9702227",
    "kind": "arxiv",
    "version": 1
  }
}