pith. sign in
Pith Number

pith:FEFGLQCX

pith:2012:FEFGLQCXBLQWXQA7FSMQPCFBJV
not attested not anchored not stored refs pending

New insights into the spin structure of the nucleon

E. Epelbaum, H. Krebs, U.-G. Mei{\ss}ner, V. Bernard

arxiv:1209.2523 v1 · 2012-09-12 · hep-ph · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FEFGLQCXBLQWXQA7FSMQPCFBJV}

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 2026-05-18T01:54:30.093712Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

290a65c0570ae16bc01f2c990788a14d52b2ea80944b6f4a9326537d2e8fcefc

Aliases

arxiv: 1209.2523 · arxiv_version: 1209.2523v1 · doi: 10.48550/arxiv.1209.2523 · pith_short_12: FEFGLQCXBLQW · pith_short_16: FEFGLQCXBLQWXQA7 · pith_short_8: FEFGLQCX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FEFGLQCXBLQWXQA7FSMQPCFBJV \
  | 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: 290a65c0570ae16bc01f2c990788a14d52b2ea80944b6f4a9326537d2e8fcefc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "abbf56ff7e770ddfaa6b428db847b73836269fcf064ab62b64e80c514119e197",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-09-12T08:48:37Z",
    "title_canon_sha256": "4a8afa4bb3da4bbdb20b3a6511c3493ff867c5f78fbb47fc261b954758dc6b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2523",
    "kind": "arxiv",
    "version": 1
  }
}