Pith Number

pith:FLFE4EPD

pith:2013:FLFE4EPDRYPGPIOF6ISDMRNNLX

not attested not anchored not stored refs pending

Vanadium dioxide as a natural disordered metamaterial: perfect thermal emission and large broadband negative differential thermal emittance

Changhyun Ko, Federico Capasso, Mikhail A. Kats, Patrice Genevet, Romain Blanchard, Shriram Ramanathan, Shuyan Zhang

arxiv:1305.0033 v1 · 2013-04-30 · 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{FLFE4EPDRYPGPIOF6ISDMRNNLX}

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	2026-05-18T03:08:59.141007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aca4e11e38e1e67a1c5f2243645ad5de0b40cc810d813452a6c2ea170623484

Aliases

arxiv: 1305.0033 · arxiv_version: 1305.0033v1 · doi: 10.48550/arxiv.1305.0033 · pith_short_12: FLFE4EPDRYPG · pith_short_16: FLFE4EPDRYPGPIOF · pith_short_8: FLFE4EPD

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/FLFE4EPDRYPGPIOF6ISDMRNNLX \
  | 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: 2aca4e11e38e1e67a1c5f2243645ad5de0b40cc810d813452a6c2ea170623484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eb3df2056891280940aa8df8d881f358f3bd224bcee86e705d5c6fc439234f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-04-30T21:54:07Z",
    "title_canon_sha256": "95013dfe17a58f13adb9262f2dbc53924e190261d2384721ec27ed73b234472c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0033",
    "kind": "arxiv",
    "version": 1
  }
}