Pith Number

pith:TOEQ5Q6A

pith:2019:TOEQ5Q6AXGKVICC2CVG6MYC27D

not attested not anchored not stored refs pending

Photonic refrigeration from time-modulated thermal emission

Shanhui Fan, Siddharth Buddhiraju, Wei Li

arxiv:1905.12196 v1 · 2019-05-29 · 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{TOEQ5Q6AXGKVICC2CVG6MYC27D}

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	2026-07-05T00:43:33.603893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b890ec3c0b99554085a154de6605af8e8c170af0cc26d6b937ae9377bfe82d0

Aliases

arxiv: 1905.12196 · arxiv_version: 1905.12196v1 · doi: 10.48550/arxiv.1905.12196 · pith_short_12: TOEQ5Q6AXGKV · pith_short_16: TOEQ5Q6AXGKVICC2 · pith_short_8: TOEQ5Q6A

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/TOEQ5Q6AXGKVICC2CVG6MYC27D \
  | 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: 9b890ec3c0b99554085a154de6605af8e8c170af0cc26d6b937ae9377bfe82d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a35dc1444fc83b39b7d7247f1d8194a3e79ff422fa89e25ca67a0c645ceb807a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-29T03:26:01Z",
    "title_canon_sha256": "8030d20f573efee5c6d7e24884b9b1659a6b7526aa0db7742c1a72bd974c7b28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12196",
    "kind": "arxiv",
    "version": 1
  }
}