Pith Number

pith:4VXOH3U7

pith:2021:4VXOH3U7IJRVVL5D2TPSL77HVY

not attested not anchored not stored refs pending

Quantum sensing of photonic spin density

Farid Kalhor, Leif Bauer, Li-Ping Yang, Zubin Jacob

arxiv:2102.11373 v1 · 2021-02-22 · quant-ph · 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{4VXOH3U7IJRVVL5D2TPSL77HVY}

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	2026-07-05T03:19:05.725619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56ee3ee9f42635aafa3d4df25ffe7ae05a4a0a81cb1857130826065900d3d4e

Aliases

arxiv: 2102.11373 · arxiv_version: 2102.11373v1 · doi: 10.48550/arxiv.2102.11373 · pith_short_12: 4VXOH3U7IJRV · pith_short_16: 4VXOH3U7IJRVVL5D · pith_short_8: 4VXOH3U7

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/4VXOH3U7IJRVVL5D2TPSL77HVY \
  | 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: e56ee3ee9f42635aafa3d4df25ffe7ae05a4a0a81cb1857130826065900d3d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f84eee88a3b74270b4fcc003c9443ccf04d78d2772fe944fd7f1cfac6fe095a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-22T21:41:22Z",
    "title_canon_sha256": "9ebc93a84dd57659aabf2870ba15922f644ae895855eda5ba895c4d19cc22e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11373",
    "kind": "arxiv",
    "version": 1
  }
}