Pith Number

pith:OPKODLB6

pith:2018:OPKODLB6VRAJU6MYVIIFAL7FZK

not attested not anchored not stored refs pending

Time-delay signature concealed broadband gain-coupled chaotic laser with fiber random grating induced distributed feedback

Liang Chen, Liang Zhang, Ping Lu, Steven Mihailov, Xiaoyi Bao, Yanping Xu

arxiv:1807.10859 v1 · 2018-07-27 · 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{OPKODLB6VRAJU6MYVIIFAL7FZK}

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	2026-05-18T00:03:15.627266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d4e1ac3eac409a7998aa10502fe5ca9d5d7aabfe0be58d7eb5bc72d17698f4

Aliases

arxiv: 1807.10859 · arxiv_version: 1807.10859v1 · doi: 10.48550/arxiv.1807.10859 · pith_short_12: OPKODLB6VRAJ · pith_short_16: OPKODLB6VRAJU6MY · pith_short_8: OPKODLB6

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/OPKODLB6VRAJU6MYVIIFAL7FZK \
  | 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: 73d4e1ac3eac409a7998aa10502fe5ca9d5d7aabfe0be58d7eb5bc72d17698f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1b4b22da1b2e59c6e5efd588fe43f3e24e59494f9406262cace2f5dcffaae7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-07-27T23:42:37Z",
    "title_canon_sha256": "cdec2786843f97c9157e9f356d2ac137215c43de4d7c571d7ebacd3ed428e15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10859",
    "kind": "arxiv",
    "version": 1
  }
}