Pith Number

pith:LUDSG3CS

pith:2021:LUDSG3CSQG3RXYVPXNXM2INVHB

not attested not anchored not stored refs pending

Notes on basis-independent computations with the Dirac algebra

Walter Grimus

arxiv:2201.01802 v3 · 2021-12-02 · 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{LUDSG3CSQG3RXYVPXNXM2INVHB}

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	2026-07-05T04:00:04.099436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d07236c5281b71be2afbb6ecd21b5384651a11563ed5dc383986cb06aaf1157

Aliases

arxiv: 2201.01802 · arxiv_version: 2201.01802v3 · doi: 10.48550/arxiv.2201.01802 · pith_short_12: LUDSG3CSQG3R · pith_short_16: LUDSG3CSQG3RXYVP · pith_short_8: LUDSG3CS

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/LUDSG3CSQG3RXYVPXNXM2INVHB \
  | 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: 5d07236c5281b71be2afbb6ecd21b5384651a11563ed5dc383986cb06aaf1157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ffaf534be7d68ca0dcc86a31f429fa417196912256e58a208ceeb404aa167d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-12-02T18:19:02Z",
    "title_canon_sha256": "d31bc9ea46cd60335aaa2883c0dcf842d31303dccc9f41c4bbbc17584d0fed45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01802",
    "kind": "arxiv",
    "version": 3
  }
}