Pith Number

pith:CDE5EWVO

pith:2018:CDE5EWVO77KODDFDQLCJWAOJ7S

not attested not anchored not stored refs pending

Vacuum birefringence in the field of a current loop and a guided electromagnetic wave

E. Padusenko, M. Diachenko, O. Novak, R. Kholodov

arxiv:1811.09440 v1 · 2018-11-23 · hep-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDE5EWVO77KODDFDQLCJWAOJ7S}

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	2026-05-18T00:00:03.414896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10c9d25aaeffd4e18ca382c49b01c9fcb035c8ea849a5278df4c614390d2ec59

Aliases

arxiv: 1811.09440 · arxiv_version: 1811.09440v1 · doi: 10.48550/arxiv.1811.09440 · pith_short_12: CDE5EWVO77KO · pith_short_16: CDE5EWVO77KODDFD · pith_short_8: CDE5EWVO

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/CDE5EWVO77KODDFDQLCJWAOJ7S \
  | 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: 10c9d25aaeffd4e18ca382c49b01c9fcb035c8ea849a5278df4c614390d2ec59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3890e704ec80bcaf00d6a2221b54651741ccb1f463f6fb8f0626cdb313bc382",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-11-23T12:01:39Z",
    "title_canon_sha256": "17d467bfe9a1f9cac4aeac8df554a8788ac0e749acc7f8efbef9cea83ada014d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09440",
    "kind": "arxiv",
    "version": 1
  }
}