Pith Number

pith:EQQOCUFS

pith:2016:EQQOCUFS6TAKKSTFANEJW2GEPA

not attested not anchored not stored refs pending

Observation of Parity-Time Symmetry in Optically Induced Atomic Lattices

Bing He, Demetrios N. Christodoulides, Jiteng Sheng, Liu Yang, Min Xiao, Mohammad-Ali Miri, Yanpeng Zhang, Yiqi Zhang, Zhaoyang Zhang

arxiv:1604.04025 v2 · 2016-04-14 · 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{EQQOCUFS6TAKKSTFANEJW2GEPA}

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	2026-05-18T00:56:31.154307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2420e150b2f4c0a54a6503489b68c47828c15a2cf28a1b2bf0222d1e63fdb7dd

Aliases

arxiv: 1604.04025 · arxiv_version: 1604.04025v2 · doi: 10.48550/arxiv.1604.04025 · pith_short_12: EQQOCUFS6TAK · pith_short_16: EQQOCUFS6TAKKSTF · pith_short_8: EQQOCUFS

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/EQQOCUFS6TAKKSTFANEJW2GEPA \
  | 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: 2420e150b2f4c0a54a6503489b68c47828c15a2cf28a1b2bf0222d1e63fdb7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5adfeb6c82b67f676c8762357ed3be3de29681720e8ab08a25814f9539c9df4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-04-14T03:29:43Z",
    "title_canon_sha256": "67a60eac6155d50fec6b29ce6d224ee8cf90fcd00ff24aea4c08b107ef3644b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04025",
    "kind": "arxiv",
    "version": 2
  }
}