Pith Number

pith:AZGZKQJ6

pith:2018:AZGZKQJ6MKXNSDRARROPKGX7VF

not attested not anchored not stored refs pending

Four definitions of magnetic permeability for periodic metamaterials

Christopher A. Dirdal, Hans Olaf H{\aa}genvik, Johannes Skaar

arxiv:1810.07996 v2 · 2018-10-18 · physics.class-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZGZKQJ6MKXNSDRARROPKGX7VF}

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	2026-05-17T23:54:31.543463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

064d95413e62aed90e208c5cf51affa94c649b9dc7fe92de5ed473291fd5352c

Aliases

arxiv: 1810.07996 · arxiv_version: 1810.07996v2 · doi: 10.48550/arxiv.1810.07996 · pith_short_12: AZGZKQJ6MKXN · pith_short_16: AZGZKQJ6MKXNSDRA · pith_short_8: AZGZKQJ6

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/AZGZKQJ6MKXNSDRARROPKGX7VF \
  | 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: 064d95413e62aed90e208c5cf51affa94c649b9dc7fe92de5ed473291fd5352c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a19b26768fc05680ff909e980c885084c17898e524ff611e55b65ee15a93dd5",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-10-18T11:36:45Z",
    "title_canon_sha256": "1c33c2011482b73c1b6dd721d17c2645b327f57bfca3bea83f052d73d97dad1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07996",
    "kind": "arxiv",
    "version": 2
  }
}