Pith Number

pith:O3DX4EHW

pith:2016:O3DX4EHWU23DHU3GUX6YNRZY6U

not attested not anchored not stored refs pending

Random laser action with coherent feedback via second-harmonic generation

Xianfeng Chen, Yanqi Qiao, Yuanlin Zheng, Zengyan Cai

arxiv:1611.07720 v1 · 2016-11-23 · 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{O3DX4EHWU23DHU3GUX6YNRZY6U}

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	2026-05-18T00:57:00.016844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76c77e10f6a6b633d366a5fd86c738f5330a47c3893f8bad3040d86f6be14130

Aliases

arxiv: 1611.07720 · arxiv_version: 1611.07720v1 · doi: 10.48550/arxiv.1611.07720 · pith_short_12: O3DX4EHWU23D · pith_short_16: O3DX4EHWU23DHU3G · pith_short_8: O3DX4EHW

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/O3DX4EHWU23DHU3GUX6YNRZY6U \
  | 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: 76c77e10f6a6b633d366a5fd86c738f5330a47c3893f8bad3040d86f6be14130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0049c8e3966a2ca7698e4c8302d8569d2c25b39ad9f00047970d093f214517e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-11-23T10:14:13Z",
    "title_canon_sha256": "483a5294473f6470b87a1bf02cd301b633e0d4f96897efb685b42dca4a13aa32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07720",
    "kind": "arxiv",
    "version": 1
  }
}