Pith Number

pith:IIGEJIAZ

pith:2021:IIGEJIAZH4433AVAMHXPU3Q6QC

not attested not anchored not stored refs pending

Observation of higher-order exceptional points in a non-local acoustic metagrating

Bin Jia, Hua Ding, Nengyin Wang, Nikhil JRK Gerard, Xinsheng Fang, Xu Wang, Yong Li, Yuanchen Deng, Yun Jing, Zhiling Zhou

arxiv:2106.15768 v1 · 2021-06-30 · physics.app-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{IIGEJIAZH4433AVAMHXPU3Q6QC}

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	2026-07-05T02:53:59.971537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420c44a0193f39bd82a061eefa6e1e80ab51b8dbb8b4c1c1bce6192910dadc16

Aliases

arxiv: 2106.15768 · arxiv_version: 2106.15768v1 · doi: 10.48550/arxiv.2106.15768 · pith_short_12: IIGEJIAZH443 · pith_short_16: IIGEJIAZH4433AVA · pith_short_8: IIGEJIAZ

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/IIGEJIAZH4433AVAMHXPU3Q6QC \
  | 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: 420c44a0193f39bd82a061eefa6e1e80ab51b8dbb8b4c1c1bce6192910dadc16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c64c213a6229d84afe538c9cf4cbaae6057838e4dc571d70fa6d7fbbad4cce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-06-30T01:19:00Z",
    "title_canon_sha256": "cc56f009ad2eb127049b91b0a7a1cddbd16144829d2e70d8994f5e836e873dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15768",
    "kind": "arxiv",
    "version": 1
  }
}