Pith Number

pith:FCCR35OE

pith:2012:FCCR35OECQNTUDZWWVZZAAQIAR

not attested not anchored not stored refs pending

Topological bands in two-dimensional networks of metamaterial elements

Vassilios Yannopapas

arxiv:1205.4421 v1 · 2012-05-20 · cond-mat.str-el · 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{FCCR35OECQNTUDZWWVZZAAQIAR}

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	2026-05-18T01:57:25.304441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28851df5c4141b3a0f36b573900208046c35adb0b01fbb14dc3ea3f4d7d2f1fc

Aliases

arxiv: 1205.4421 · arxiv_version: 1205.4421v1 · doi: 10.48550/arxiv.1205.4421 · pith_short_12: FCCR35OECQNT · pith_short_16: FCCR35OECQNTUDZW · pith_short_8: FCCR35OE

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/FCCR35OECQNTUDZWWVZZAAQIAR \
  | 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: 28851df5c4141b3a0f36b573900208046c35adb0b01fbb14dc3ea3f4d7d2f1fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a27f2f7c93cd83a032182ae002d436323d46759b9ae3b6b5ee5642741570ff2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-05-20T14:49:57Z",
    "title_canon_sha256": "4fc155b3f117836c5286ef926f63ea54967e056847b93310b0d23569509d6680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4421",
    "kind": "arxiv",
    "version": 1
  }
}