Pith Number

pith:VHQOP3K4

pith:2008:VHQOP3K42X3BLD56TKNSFCQS7R

not attested not anchored not stored refs pending

Exploring the transverse spin structure of the nucleon

Cagliari, INFN, Italy), Umberto D'Alesio (University

arxiv:0809.3162 v1 · 2008-09-18 · 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{VHQOP3K42X3BLD56TKNSFCQS7R}

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	2026-07-04T15:29:15.686070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e0e7ed5cd5f6158fbe9a9b228a12fc5c77ceec91b38c9fc9ad3604aa9b8bee

Aliases

arxiv: 0809.3162 · arxiv_version: 0809.3162v1 · doi: 10.48550/arxiv.0809.3162 · pith_short_12: VHQOP3K42X3B · pith_short_16: VHQOP3K42X3BLD56 · pith_short_8: VHQOP3K4

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/VHQOP3K42X3BLD56TKNSFCQS7R \
  | 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: a9e0e7ed5cd5f6158fbe9a9b228a12fc5c77ceec91b38c9fc9ad3604aa9b8bee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0167ccfaa3d389c26faf145e7eea0978b523d4592416f92d185c150787dbd68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-09-18T14:20:16Z",
    "title_canon_sha256": "1d5d912e48eb7dda98eda188e15e941e99af09dc9c984e959a40b64d3aa011b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3162",
    "kind": "arxiv",
    "version": 1
  }
}