Pith Number

pith:S452VPHM

pith:2009:S452VPHM3HQPKGOAFIQNUZV72N

not attested not anchored not stored refs pending

Cavity-enhanced absorption for optical refrigeration

Denis V. Seletskiy, Mansoor Sheik-Bahae, Michael P. Hasselbeck

arxiv:0909.3136 v2 · 2009-09-17 · 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{S452VPHM3HQPKGOAFIQNUZV72N}

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	2026-05-18T04:09:44.429641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

973baabcecd9e0f519c02a20da66bfd37ecdbd335a9391fe763f0186a17ea078

Aliases

arxiv: 0909.3136 · arxiv_version: 0909.3136v2 · doi: 10.48550/arxiv.0909.3136 · pith_short_12: S452VPHM3HQP · pith_short_16: S452VPHM3HQPKGOA · pith_short_8: S452VPHM

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/S452VPHM3HQPKGOAFIQNUZV72N \
  | 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: 973baabcecd9e0f519c02a20da66bfd37ecdbd335a9391fe763f0186a17ea078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "056c37fb324e390b9b0efbab61df8ff7d4d67a39c7eff36d82d6ac584e9b3900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-09-17T01:03:57Z",
    "title_canon_sha256": "e453c383f2d320fc96a79d4586f503822735db4242155b81a547be4ae6c1bde3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3136",
    "kind": "arxiv",
    "version": 2
  }
}