Pith Number

pith:OWT6G3RC

pith:2019:OWT6G3RCLASWRRF6CE5OLYUUIZ

not attested not anchored not stored refs pending

Observation of non-Hermitian topology and its bulk-edge correspondence in an active mechanical metamaterial

Ananya Ghatak, Corentin Coulais, Jasper van Wezel, Martin Brandenbourger

arxiv:1907.11619 v2 · 2019-07-26 · cond-mat.mes-hall · cond-mat.str-el · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWT6G3RCLASWRRF6CE5OLYUUIZ}

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	2026-07-05T01:54:41.100483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a7e36e22582568c4be113ae5e2944661d621893f0b400460350fea3032c587

Aliases

arxiv: 1907.11619 · arxiv_version: 1907.11619v2 · doi: 10.48550/arxiv.1907.11619 · pith_short_12: OWT6G3RCLASW · pith_short_16: OWT6G3RCLASWRRF6 · pith_short_8: OWT6G3RC

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/OWT6G3RCLASWRRF6CE5OLYUUIZ \
  | 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: 75a7e36e22582568c4be113ae5e2944661d621893f0b400460350fea3032c587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35316fe01432b7aa0fe932d6c76432be15c54eca48d59b07448b3a125fcf8b0",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-07-26T15:20:52Z",
    "title_canon_sha256": "428e4b9ed063b82ccf273b5c2f0e6da79d70276a60ba6182232972c76b720341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11619",
    "kind": "arxiv",
    "version": 2
  }
}