Pith Number

pith:UJ7ZFBS3

pith:2008:UJ7ZFBS3SE5HDONE25JFQF67DQ

not attested not anchored not stored refs pending

The color charge degree of freedom in particle physics

O.W. Greenberg

arxiv:0805.0289 v2 · 2008-05-02 · physics.hist-ph · 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{UJ7ZFBS3SE5HDONE25JFQF67DQ}

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	2026-07-04T17:24:32.514467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a27f92865b913a71b9a4d7525817df1c1831d9559df0a9284ae3dd2bf9bc8e8a

Aliases

arxiv: 0805.0289 · arxiv_version: 0805.0289v2 · doi: 10.48550/arxiv.0805.0289 · pith_short_12: UJ7ZFBS3SE5H · pith_short_16: UJ7ZFBS3SE5HDONE · pith_short_8: UJ7ZFBS3

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/UJ7ZFBS3SE5HDONE25JFQF67DQ \
  | 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: a27f92865b913a71b9a4d7525817df1c1831d9559df0a9284ae3dd2bf9bc8e8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5834164173466ca994e9bd65d7f8ef526d07b68300cf636997370a125e904bf",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2008-05-02T19:01:59Z",
    "title_canon_sha256": "802f61df6880cd07dde900895eb63b7500fb81fd41fa7bcc683d1ba9b2af7a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.0289",
    "kind": "arxiv",
    "version": 2
  }
}