Pith Number

pith:R4Z45KQG

pith:2012:R4Z45KQGI2TDUXAZFPRKY52YEQ

not attested not anchored not stored refs pending

Broadband super-Planckian thermal emission from hyperbolic metamaterials

Cristian L. Cortes, Sean Molesky, Yu Guo, Zubin Jacob

arxiv:1208.4424 v1 · 2012-08-22 · physics.optics · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4Z45KQGI2TDUXAZFPRKY52YEQ}

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	2026-05-18T03:44:48.759436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f33ceaa0646a63a5c192be2ac7758240695883dcc54a7ee83bdedc47115056b

Aliases

arxiv: 1208.4424 · arxiv_version: 1208.4424v1 · doi: 10.48550/arxiv.1208.4424 · pith_short_12: R4Z45KQGI2TD · pith_short_16: R4Z45KQGI2TDUXAZ · pith_short_8: R4Z45KQG

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/R4Z45KQGI2TDUXAZFPRKY52YEQ \
  | 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: 8f33ceaa0646a63a5c192be2ac7758240695883dcc54a7ee83bdedc47115056b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cf8f5f758a4a769e313e2e385dda3ebb278eb745a2bc7c4de53a2f5654f1644",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-08-22T05:34:30Z",
    "title_canon_sha256": "ebf0c217450bbdd3c8bc72e3e9f58d54111cadc51b37ed5fc8511fd9e82f2dcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4424",
    "kind": "arxiv",
    "version": 1
  }
}