Pith Number

pith:NK22HH73

pith:2013:NK22HH73FJNBJEIC27WBXZJL2K

not attested not anchored not stored refs pending

A Short History of Spin

Richard G. Milner

arxiv:1311.5016 v1 · 2013-11-20 · physics.hist-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{NK22HH73FJNBJEIC27WBXZJL2K}

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	2026-05-18T03:06:42.198204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab5a39ffb2a5a149102d7ec1be52bd281055102e12174295ae7d82cb7ae680d

Aliases

arxiv: 1311.5016 · arxiv_version: 1311.5016v1 · doi: 10.48550/arxiv.1311.5016 · pith_short_12: NK22HH73FJNB · pith_short_16: NK22HH73FJNBJEIC · pith_short_8: NK22HH73

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/NK22HH73FJNBJEIC27WBXZJL2K \
  | 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: 6ab5a39ffb2a5a149102d7ec1be52bd281055102e12174295ae7d82cb7ae680d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d75b72c8d628ded3ba97f9b1ee42051f85391f73d83d6e9fd0703f2bf1e3352e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-11-20T11:16:40Z",
    "title_canon_sha256": "a1d2fb8e5f2f48c266730832ba9455b9ac2fe2b4aba624e9424e2b9b968d0b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5016",
    "kind": "arxiv",
    "version": 1
  }
}