Pith Number

pith:6O3QZMSR

pith:2015:6O3QZMSRVFWEMBTRXE7U3A5XOX

not attested not anchored not stored refs pending

A negative index meta-material for Maxwell's equations

Agnes Lamacz, Ben Schweizer

arxiv:1509.00708 v1 · 2015-09-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6O3QZMSRVFWEMBTRXE7U3A5XOX}

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	2026-05-18T01:34:06.297511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3b70cb251a96c460671b93f4d83b775f1e64f292e903b589a0a561dd5cd0bcc

Aliases

arxiv: 1509.00708 · arxiv_version: 1509.00708v1 · doi: 10.48550/arxiv.1509.00708 · pith_short_12: 6O3QZMSRVFWE · pith_short_16: 6O3QZMSRVFWEMBTR · pith_short_8: 6O3QZMSR

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/6O3QZMSRVFWEMBTRXE7U3A5XOX \
  | 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: f3b70cb251a96c460671b93f4d83b775f1e64f292e903b589a0a561dd5cd0bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0f115cdd02245a9bb278bd73f15b51d93282860e4bdc0f138d33d470eb0562",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-02T13:58:37Z",
    "title_canon_sha256": "241753feb90f7ddcd417a90393b971cd09e0b5f8e8223b6295beaee0e2e7f2d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00708",
    "kind": "arxiv",
    "version": 1
  }
}