Pith Number

pith:7HTFFVRV

pith:2021:7HTFFVRV2DF3PV3CKM6S7LHLW4

not attested not anchored not stored refs pending

Observation of higher-order non-Hermitian skin effect

Jian-Hua Jiang, Ming-Hui Lu, Xiujuan Zhang, Yan-Feng Chen, Yuan Tian

arxiv:2102.09825 v1 · 2021-02-19 · physics.app-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{7HTFFVRV2DF3PV3CKM6S7LHLW4}

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	2026-07-05T03:19:05.515690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e652d635d0cbb7d762533d2facebb717da107d161fff792b2b87877cc90081

Aliases

arxiv: 2102.09825 · arxiv_version: 2102.09825v1 · doi: 10.48550/arxiv.2102.09825 · pith_short_12: 7HTFFVRV2DF3 · pith_short_16: 7HTFFVRV2DF3PV3C · pith_short_8: 7HTFFVRV

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/7HTFFVRV2DF3PV3CKM6S7LHLW4 \
  | 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: f9e652d635d0cbb7d762533d2facebb717da107d161fff792b2b87877cc90081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dffa2eb3887dbcfe55da4fb8c08c6e1f311b9c2a3ecb925b9a6698a854e2126",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-02-19T09:28:53Z",
    "title_canon_sha256": "8237e1e5987017b42d13043c54bed318255c12c90268de89927ae6de0de5817c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09825",
    "kind": "arxiv",
    "version": 1
  }
}