Pith Number

pith:HZZA7YYA

pith:2019:HZZA7YYAPRHKE4HWMLOBRNYWR3

not attested not anchored not stored refs pending

An optical all-pass filter realized by using self-compensation of loss

Lu Xu, Xiaolong Liu, Xinliang Zhang, Xuewen Shu, Yuan Yu

arxiv:1905.10020 v1 · 2019-05-24 · physics.optics · 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{HZZA7YYAPRHKE4HWMLOBRNYWR3}

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	2026-05-17T23:45:13.756753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e720fe3007c4ea270f662dc18b7168ee379820fcc2c570b4bcedfc633cf425e

Aliases

arxiv: 1905.10020 · arxiv_version: 1905.10020v1 · doi: 10.48550/arxiv.1905.10020 · pith_short_12: HZZA7YYAPRHK · pith_short_16: HZZA7YYAPRHKE4HW · pith_short_8: HZZA7YYA

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/HZZA7YYAPRHKE4HWMLOBRNYWR3 \
  | 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: 3e720fe3007c4ea270f662dc18b7168ee379820fcc2c570b4bcedfc633cf425e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b89f304a8e634f99ac5e7515881b3b9623b87efe4065f41b0baaab73601d7a38",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-24T03:35:06Z",
    "title_canon_sha256": "b9496456876c8529c2035a46fd1e083f16c039f8a69ee34d433f2d1c631397bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10020",
    "kind": "arxiv",
    "version": 1
  }
}