Pith Number

pith:47W4HWDP

pith:2021:47W4HWDPTSUOXPEW2DQXGR6MQ7

not attested not anchored not stored refs pending

Thermodynamics of light management in near-field thermophotovoltaics

Eli Yablonovitch, Georgia T. Papadakis, Meir Orenstein, Shanhui Fan

arxiv:2107.10705 v2 · 2021-07-22 · physics.optics · cond-mat.mtrl-sci · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47W4HWDPTSUOXPEW2DQXGR6MQ7}

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	2026-07-05T03:00:18.921062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7edc3d86f9ca8ebbc96d0e17347cc87d2620c4dac0493dcf09d3c5281d37e23

Aliases

arxiv: 2107.10705 · arxiv_version: 2107.10705v2 · doi: 10.48550/arxiv.2107.10705 · pith_short_12: 47W4HWDPTSUO · pith_short_16: 47W4HWDPTSUOXPEW · pith_short_8: 47W4HWDP

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/47W4HWDPTSUOXPEW2DQXGR6MQ7 \
  | 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: e7edc3d86f9ca8ebbc96d0e17347cc87d2620c4dac0493dcf09d3c5281d37e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6251e492e63bccf79c823a27c7014a7356751e4f31eaca5fd8be5fa2362f101",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-07-22T14:25:14Z",
    "title_canon_sha256": "103b4e9570cc8bc9fd35028fea02d3c82e5f4b3877600a73023dddce645a1d19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10705",
    "kind": "arxiv",
    "version": 2
  }
}