Pith Number

pith:OMRJ4NBT

pith:2022:OMRJ4NBTVNULE762IYJWW2SWAH

not attested not anchored not stored refs pending

3+1 formulation of light modes in nonlinear electrodynamics

Chul Min Kim, Sang Pyo Kim

arxiv:2210.12890 v3 · 2022-10-24 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMRJ4NBTVNULE762IYJWW2SWAH}

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	2026-07-05T10:45:02.545909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73229e3433ab68b27fda46136b6a5601dfa11c9d1e3fdb54f0310591bd23766f

Aliases

arxiv: 2210.12890 · arxiv_version: 2210.12890v3 · doi: 10.48550/arxiv.2210.12890 · pith_short_12: OMRJ4NBTVNUL · pith_short_16: OMRJ4NBTVNULE762 · pith_short_8: OMRJ4NBT

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/OMRJ4NBTVNULE762IYJWW2SWAH \
  | 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: 73229e3433ab68b27fda46136b6a5601dfa11c9d1e3fdb54f0310591bd23766f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "555a437c95e572f0ca7c6def5cd465593b43c9d34a332f30903d5b800c7b3e7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-10-24T00:13:03Z",
    "title_canon_sha256": "4a9b8456843d4588f0b2aa7ead3b89be6c762e573403458f1152c4bc2fa63d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.12890",
    "kind": "arxiv",
    "version": 3
  }
}