Pith Number

pith:23DJG2NT

pith:2008:23DJG2NTAM4HHWCOYAB3DNUYTR

not attested not anchored not stored refs pending

The Spin of the Proton

A. W. Thomas, Jefferson Lab

arxiv:0805.4437 v1 · 2008-05-28 · 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{23DJG2NTAM4HHWCOYAB3DNUYTR}

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	2026-05-18T04:36:41.197269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6c69369b3033873d84ec003b1b6989c6f4cc208f82ceb29e1a784e209419f99

Aliases

arxiv: 0805.4437 · arxiv_version: 0805.4437v1 · doi: 10.48550/arxiv.0805.4437 · pith_short_12: 23DJG2NTAM4H · pith_short_16: 23DJG2NTAM4HHWCO · pith_short_8: 23DJG2NT

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/23DJG2NTAM4HHWCOYAB3DNUYTR \
  | 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: d6c69369b3033873d84ec003b1b6989c6f4cc208f82ceb29e1a784e209419f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "404983d25086c85a9f1d45c6efcc14e5b555be9aac9f7d78de3643cf53572390",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-05-28T21:16:01Z",
    "title_canon_sha256": "833e0c7d02a0a67b47810bc87ba4e584d6861a7958943405715a8103bdd88ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4437",
    "kind": "arxiv",
    "version": 1
  }
}