Pith Number

pith:A74GY26G

pith:2015:A74GY26G5NG3UEK76BKAUJBQSH

not attested not anchored not stored refs pending

Topologically protected acoustic helical edge states and interface states in strongly coupled metamaterial ring lattices

De-Gang Zhao, Han Jia, Ming Bao, Xiang-Yuan Yu, Xue-Feng Zhu, Ya-Xi Shen, Yu-Gui Peng

arxiv:1508.06243 v1 · 2015-08-24 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A74GY26G5NG3UEK76BKAUJBQSH}

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	2026-05-18T00:52:53.106048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07f86c6bc6eb4dba115ff0540a243091fc7204d1c8becdcc38536398a15bab6d

Aliases

arxiv: 1508.06243 · arxiv_version: 1508.06243v1 · doi: 10.48550/arxiv.1508.06243 · pith_short_12: A74GY26G5NG3 · pith_short_16: A74GY26G5NG3UEK7 · pith_short_8: A74GY26G

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/A74GY26G5NG3UEK76BKAUJBQSH \
  | 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: 07f86c6bc6eb4dba115ff0540a243091fc7204d1c8becdcc38536398a15bab6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2734018101d4115521c71cac60d46205c6747222619ff8695ef0a7422e727a42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-08-24T09:12:38Z",
    "title_canon_sha256": "9faa039454c7181216cf3fbbbb6839e6a85d4636a068b97e9b00513937c6d410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06243",
    "kind": "arxiv",
    "version": 1
  }
}