Pith Number

pith:4US2WPLW

pith:2019:4US2WPLWROV2Q6F2JU3N6I23OS

not attested not anchored not stored refs pending

Broadening near-field emission for performance enhancement in thermophotovoltaics

Bo Zhao, Georgia T. Papadakis, Shanhui Fan, Siddharth Buddhiraju, Zhexin Zhao

arxiv:1909.08701 v1 · 2019-09-18 · physics.optics · 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{4US2WPLWROV2Q6F2JU3N6I23OS}

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	2026-07-05T00:56:32.734292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e525ab3d768baba878ba4d36df235b74b8ff59ffc680faa50e149e41bce13ab4

Aliases

arxiv: 1909.08701 · arxiv_version: 1909.08701v1 · doi: 10.48550/arxiv.1909.08701 · pith_short_12: 4US2WPLWROV2 · pith_short_16: 4US2WPLWROV2Q6F2 · pith_short_8: 4US2WPLW

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/4US2WPLWROV2Q6F2JU3N6I23OS \
  | 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: e525ab3d768baba878ba4d36df235b74b8ff59ffc680faa50e149e41bce13ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4962be6406c47d1f58bad9045dc597c1ac4726c4b1f641e1d28b2c20d8ed018d",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-18T20:51:47Z",
    "title_canon_sha256": "9a0569c3627cd04960601f1da4ec8f0719c3d7fc4a3bbb3b92b0b821e5efa3c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08701",
    "kind": "arxiv",
    "version": 1
  }
}