Pith Number

pith:PH5UBIZ6

pith:2016:PH5UBIZ6GUUYXRGBANUZXIFV66

not attested not anchored not stored refs pending

Optical phase conjugation with less than a photon per degree of freedom

C. Yang, I.M. Vellekoop, M. Jang

arxiv:1610.04553 v1 · 2016-10-14 · 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{PH5UBIZ6GUUYXRGBANUZXIFV66}

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	2026-05-18T00:49:14.849502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79fb40a33e35298bc4c103699ba0b5f79a5b306f98d9094fcadea61cbfa90280

Aliases

arxiv: 1610.04553 · arxiv_version: 1610.04553v1 · doi: 10.48550/arxiv.1610.04553 · pith_short_12: PH5UBIZ6GUUY · pith_short_16: PH5UBIZ6GUUYXRGB · pith_short_8: PH5UBIZ6

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/PH5UBIZ6GUUYXRGBANUZXIFV66 \
  | 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: 79fb40a33e35298bc4c103699ba0b5f79a5b306f98d9094fcadea61cbfa90280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347190b7b5e6a8d83e221bdb24a92238b0b584e255c326aeed459cfc42f95b11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-10-14T17:43:57Z",
    "title_canon_sha256": "72fb19cce9303e4c2d832502221d35a4d5b72f1461514b2b6fb38820b9d2f2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04553",
    "kind": "arxiv",
    "version": 1
  }
}