Pith Number

pith:BTD7WPAQ

pith:2017:BTD7WPAQOFENESUMFXIHFXIBJR

not attested not anchored not stored refs pending

Super-resolving phase measurement with short wavelength NOON states by quantum frequency up-conversion

Bao-Sen Shi, Dong-Sheng Ding, Guang-Can Guo, Shi-Kai Liu, Shi-Long Liu, Yin-Hai Li, Zhi-Yuan Zhou

arxiv:1703.04253 v1 · 2017-03-13 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:40:58.627536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc7fb3c107148d24a8c2dd072dd014c68f460609e1bb581bfa32bc2ba199b43

Aliases

arxiv: 1703.04253 · arxiv_version: 1703.04253v1 · doi: 10.48550/arxiv.1703.04253 · pith_short_12: BTD7WPAQOFEN · pith_short_16: BTD7WPAQOFENESUM · pith_short_8: BTD7WPAQ

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/BTD7WPAQOFENESUMFXIHFXIBJR \
  | 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: 0cc7fb3c107148d24a8c2dd072dd014c68f460609e1bb581bfa32bc2ba199b43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf0d0be4d1f1eb7a1fe343227c7b4f32305abb37c196f6e937a2e052496d644",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-13T05:16:25Z",
    "title_canon_sha256": "ad2ef57165b505477552828beaead9a2ce52982521c96762abd6c6239894b1d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04253",
    "kind": "arxiv",
    "version": 1
  }
}