Pith Number

pith:XJDWJM3W

pith:2016:XJDWJM3WBOWWIEUQSIJIKUZSIS

not attested not anchored not stored refs pending

On the CPT-even Lorentz-breaking extension of the QED

A. Yu. Petrov, J. R. Nascimento, R. V. Maluf, T. Mariz

arxiv:1604.06647 v3 · 2016-04-22 · 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{XJDWJM3WBOWWIEUQSIJIKUZSIS}

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	2026-05-18T00:25:27.266255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba4764b3760bad641290921285533244a35c28c8adc26cf8e3af8129a6a92c65

Aliases

arxiv: 1604.06647 · arxiv_version: 1604.06647v3 · doi: 10.48550/arxiv.1604.06647 · pith_short_12: XJDWJM3WBOWW · pith_short_16: XJDWJM3WBOWWIEUQ · pith_short_8: XJDWJM3W

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/XJDWJM3WBOWWIEUQSIJIKUZSIS \
  | 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: ba4764b3760bad641290921285533244a35c28c8adc26cf8e3af8129a6a92c65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "474d877f70927b935b897cd73e1ef6189d2cdc662652e83335e43c15fc087736",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-04-22T13:23:13Z",
    "title_canon_sha256": "e4ba19075b59d6200759dc5d270f70ddd62d3afd757fb011fa2946cde1543d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06647",
    "kind": "arxiv",
    "version": 3
  }
}