Pith Number

pith:PF7FCBNV

pith:2013:PF7FCBNV7QMF7723RBRTADK3ZV

not attested not anchored not stored refs pending

An Identification of the Dirac Operator with the Parity Operator

L. D. Speran\c{c}a

arxiv:1304.4794 v2 · 2013-04-17 · math-ph · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PF7FCBNV7QMF7723RBRTADK3ZV}

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	2026-05-18T02:42:15.066784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

797e5105b5fc185fff5b8863300d5bcd7d7d73e4dccddb8253bcff26bd0848b9

Aliases

arxiv: 1304.4794 · arxiv_version: 1304.4794v2 · doi: 10.48550/arxiv.1304.4794 · pith_short_12: PF7FCBNV7QMF · pith_short_16: PF7FCBNV7QMF7723 · pith_short_8: PF7FCBNV

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/PF7FCBNV7QMF7723RBRTADK3ZV \
  | 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: 797e5105b5fc185fff5b8863300d5bcd7d7d73e4dccddb8253bcff26bd0848b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d1c3cd981d83135fe3ca07602ee20f0c95a152467c85cf5b4c330bb165e03de",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-04-17T12:39:17Z",
    "title_canon_sha256": "6c237619f0a6b41d2346fb4dcbb8ae3d07e508de2d50a6aa2cf0394ddf4ab4af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4794",
    "kind": "arxiv",
    "version": 2
  }
}