Pith Number

pith:5CNVZQTQ

pith:2012:5CNVZQTQGXNFYTJU5BZJUYHI3R

not attested not anchored not stored refs pending

Asymmetric optical amplifier based on parity-time symmetry

Lu Li, Pengfei Li, Rujiang Li

arxiv:1211.4296 v2 · 2012-11-19 · 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{5CNVZQTQGXNFYTJU5BZJUYHI3R}

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	2026-05-18T01:01:29.670343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e89b5cc27035da5c4d34e8729a60e8dc64893c14379e40bdb823c5c8968eab39

Aliases

arxiv: 1211.4296 · arxiv_version: 1211.4296v2 · doi: 10.48550/arxiv.1211.4296 · pith_short_12: 5CNVZQTQGXNF · pith_short_16: 5CNVZQTQGXNFYTJU · pith_short_8: 5CNVZQTQ

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/5CNVZQTQGXNFYTJU5BZJUYHI3R \
  | 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: e89b5cc27035da5c4d34e8729a60e8dc64893c14379e40bdb823c5c8968eab39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ada89d653ad9a87485cb5fd7d8bda56c93a1dadd8483e2ff470981096a101b5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-11-19T03:24:20Z",
    "title_canon_sha256": "03a84e58553d999fb46cc5b025ac49395e5fba92fe723fb4466e0c0516dfbbc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4296",
    "kind": "arxiv",
    "version": 2
  }
}