Pith Number

pith:ECYAT3TA

pith:2022:ECYAT3TA3GPKVD6CF6FSUDIMAW

not attested not anchored not stored refs pending

Design optimization of band-pass filter based on parity-time symmetry coupled-resonant

Boqing Zhang, Haofan Yang, Jing Xu, Nuo Chen, Xinda Lu, Xinliang Zhang, Yuntian Chen

arxiv:2204.11556 v1 · 2022-04-25 · 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{ECYAT3TA3GPKVD6CF6FSUDIMAW}

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	2026-07-05T04:17:29.367286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b009ee60d99eaa8fc22f8b2a0d0c058f7f13e4bdf2002dbb5861272cca503a

Aliases

arxiv: 2204.11556 · arxiv_version: 2204.11556v1 · doi: 10.48550/arxiv.2204.11556 · pith_short_12: ECYAT3TA3GPK · pith_short_16: ECYAT3TA3GPKVD6C · pith_short_8: ECYAT3TA

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/ECYAT3TA3GPKVD6CF6FSUDIMAW \
  | 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: 20b009ee60d99eaa8fc22f8b2a0d0c058f7f13e4bdf2002dbb5861272cca503a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76aeb3e57da2678b2e319ac58360218e7f3bb32db7cdc170ce2a6240e4cd1ae3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-25T11:05:21Z",
    "title_canon_sha256": "fac5d9d496a096f42d96ceef90d16774cd774430d51c5d09a45b229b1beed286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11556",
    "kind": "arxiv",
    "version": 1
  }
}