Pith Number

pith:3PZXOLD3

pith:2015:3PZXOLD3REGZVCODC55C7LTJCJ

not attested not anchored not stored refs pending

Axions, Surface States, and the Post Constraint in Electromagnetics

Akhlesh Lakhtakia, Tom G. Mackay

arxiv:1506.00123 v3 · 2015-05-30 · 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{3PZXOLD3REGZVCODC55C7LTJCJ}

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	2026-05-18T01:34:49.565290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbf3772c7b890d9a89c3177a2fae69126f82073e856d896d0ef38197248f38c9

Aliases

arxiv: 1506.00123 · arxiv_version: 1506.00123v3 · doi: 10.48550/arxiv.1506.00123 · pith_short_12: 3PZXOLD3REGZ · pith_short_16: 3PZXOLD3REGZVCOD · pith_short_8: 3PZXOLD3

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/3PZXOLD3REGZVCODC55C7LTJCJ \
  | 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: dbf3772c7b890d9a89c3177a2fae69126f82073e856d896d0ef38197248f38c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6279e8df0206852ac6f74e027cf52c879595166bb083a311f747b8b61df10821",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-05-30T14:36:05Z",
    "title_canon_sha256": "445471a75b5019193433852d8a4cf287b1ee01e7e0ade8efc456f6465e77a6c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00123",
    "kind": "arxiv",
    "version": 3
  }
}