Pith Number

pith:Z2LIOM4Z

pith:2012:Z2LIOM4ZAXAYMFFSCOLKBZIYHL

not attested not anchored not stored refs pending

Introduction to QCD

Peter Skands

arxiv:1207.2389 v5 · 2012-07-10 · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2LIOM4ZAXAYMFFSCOLKBZIYHL}

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	2026-05-18T00:37:22.020949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce9687339905c18614b21396a0e5183ad18c52e70d24af96b7ce0bb2f736f2ff

Aliases

arxiv: 1207.2389 · arxiv_version: 1207.2389v5 · doi: 10.48550/arxiv.1207.2389 · pith_short_12: Z2LIOM4ZAXAY · pith_short_16: Z2LIOM4ZAXAYMFFS · pith_short_8: Z2LIOM4Z

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/Z2LIOM4ZAXAYMFFSCOLKBZIYHL \
  | 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: ce9687339905c18614b21396a0e5183ad18c52e70d24af96b7ce0bb2f736f2ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dc53f52d2f84bf579229333a34f207fd5d1f36d3b6ade55c8992df21a5d4c0f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-07-10T15:27:30Z",
    "title_canon_sha256": "7ea4d2ea925f007123df255c406d976cfe42d055cb6ff192d5c04e935f3d15e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2389",
    "kind": "arxiv",
    "version": 5
  }
}