Pith Number

pith:QTHNOQSD

pith:1994:QTHNOQSDRU74GXNNP553FVX7OJ

not attested not anchored not stored refs pending

The Nucleon Spin Problem

B.L. Ioffe

arxiv:hep-ph/9408291 v1 · 1994-08-15 · 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{QTHNOQSDRU74GXNNP553FVX7OJ}

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	2026-05-18T01:39:01.058018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84ced742438d3fc35dad7f7bb2d6ff72605900b5a9d7619b310cd6e2c82364c9

Aliases

arxiv: hep-ph/9408291 · arxiv_version: hep-ph/9408291v1 · doi: 10.48550/arxiv.hep-ph/9408291 · pith_short_12: QTHNOQSDRU74 · pith_short_16: QTHNOQSDRU74GXNN · pith_short_8: QTHNOQSD

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/QTHNOQSDRU74GXNNP553FVX7OJ \
  | 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: 84ced742438d3fc35dad7f7bb2d6ff72605900b5a9d7619b310cd6e2c82364c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "414ea1aa9911b83cee5cab3074f4b1003116cf3382818ad3bc8db89d7f78dc4f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1994-08-15T09:54:13Z",
    "title_canon_sha256": "0f9c1ee4b2c0d350ff0bfd725b0a2be90b3c1b677a96f747611059d4512366bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9408291",
    "kind": "arxiv",
    "version": 1
  }
}