Pith Number

pith:7MGQIXTE

pith:2025:7MGQIXTEUCFRA6OZLSOBWNSQEM

not attested not anchored not stored refs pending

Observation of wave amplification and temporal topological state in a genuine photonic time crystal

Baile Zhang, Haonan Hou, Jiang Xiong, Jiarui Wang, Letian Yu, Linyang Zou, Longji Duan, Xudong Zhang, Yang Long

arxiv:2507.02223 v1 · 2025-07-03 · physics.optics · quant-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{7MGQIXTEUCFRA6OZLSOBWNSQEM}

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.

Cited by

1 paper in Pith

Topological Localisation in Time from PT Symmetry

Receipt and verification

First computed	2026-07-05T11:31:14.007658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0d045e64a08b1079d95c9c1b3650231eb29350581f52df471a747bc13268b4

Aliases

arxiv: 2507.02223 · arxiv_version: 2507.02223v1 · doi: 10.48550/arxiv.2507.02223 · pith_short_12: 7MGQIXTEUCFR · pith_short_16: 7MGQIXTEUCFRA6OZ · pith_short_8: 7MGQIXTE

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/7MGQIXTEUCFRA6OZLSOBWNSQEM \
  | 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: fb0d045e64a08b1079d95c9c1b3650231eb29350581f52df471a747bc13268b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aab8088118e47942f083488100023e298c532794f355a24799d3844f539b93c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-03T01:06:37Z",
    "title_canon_sha256": "a107e4ff636e2e283f23a5388ce650a2f445a7a309bed8309f1fb141188b2bf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02223",
    "kind": "arxiv",
    "version": 1
  }
}