Pith Number

pith:ECLJ6KHZ

pith:2015:ECLJ6KHZMRE6J2NYBWSVYCSZIC

not attested not anchored not stored refs pending

Measurement of topological invariants in a 2D photonic system

Abolhassan Vaezi, Jingyun Fan, Mohammad Hafezi, Sriram Ganeshan, Sunil Mittal

arxiv:1504.00369 v3 · 2015-04-01 · cond-mat.mes-hall · hep-th · 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{ECLJ6KHZMRE6J2NYBWSVYCSZIC}

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	2026-05-18T01:19:48.570910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20969f28f96449e4e9b80da55c0a5940ae120c5cb7bcf9273ddcbefaf5240b2c

Aliases

arxiv: 1504.00369 · arxiv_version: 1504.00369v3 · doi: 10.48550/arxiv.1504.00369 · pith_short_12: ECLJ6KHZMRE6 · pith_short_16: ECLJ6KHZMRE6J2NY · pith_short_8: ECLJ6KHZ

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/ECLJ6KHZMRE6J2NYBWSVYCSZIC \
  | 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: 20969f28f96449e4e9b80da55c0a5940ae120c5cb7bcf9273ddcbefaf5240b2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af47a03f73ebc19725fef5cddf69348183ac76567a5485fbec73608e583b9fe3",
    "cross_cats_sorted": [
      "hep-th",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-04-01T20:00:56Z",
    "title_canon_sha256": "65688a5e03775148162bc8774e28b4b437ca9ba30c824c3c6937a61386a72ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00369",
    "kind": "arxiv",
    "version": 3
  }
}